Uses of Class
java.lang.Class
Packages that useClass Package Description com.sun.java.accessibility.util Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.com.sun.source.tree Provides interfaces to represent source code as abstract syntax trees (AST).java.awt Contains all of the classes for creating user interfaces and for painting graphics and images.java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications.java.awt.dnd Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images.java.beans Contains classes related to developingbeans -- components based on the JavaBeans™ architecture.java.beans.beancontext Provides classes and interfaces relating to bean context.java.io Provides for system input and output through data streams, serialization and the file system.java.lang Provides classes that are fundamental to the design of the Java programming language.java.lang.annotation Provides library support for the Java programming language annotation facility.java.lang.instrument Provides services that allow Java programming language agents to instrument programs running on the JVM.java.lang.invoke Thejava.lang.invokepackage provides low-level primitives for interacting with the Java Virtual Machine.java.lang.management Provides the management interfaces for monitoring and management of theJava virtual machine and other components in the Java runtime.java.lang.reflect Provides classes and interfaces for obtaining reflective information about classes and objects.java.net Provides the classes for implementing networking applications.java.nio.file Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.java.nio.file.spi Service-provider classes for thejava.nio.filepackage.java.rmi.server Provides classes and interfaces for supporting the serverside of RMI.java.security Provides the classes and interfaces for the security framework.java.sql Provides the API for accessing and processing data stored in adata source (usually a relational database) using theJava™ programming language.java.util Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables.java.util.prefs This package allows applications to store and retrieve user and systempreference and configuration data.javax.annotation.processing Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.javax.crypto Provides the classes and interfaces for cryptographic operations.javax.imageio.metadata A package of the Java Image I/O API dealing with reading and writing metadata.javax.imageio.spi A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.javax.lang.model Classes and hierarchies of packages used to model the Java programming language.javax.lang.model.element Interfaces used to model elements of the Java programming language.javax.management Provides the core classes for the Java Management Extensions.javax.management.loading Provides the classes which implement advanced dynamic loading.javax.management.openmbean Provides the open data types and Open MBean descriptor classes.javax.naming.spi Provides the means for dynamically plugging in support for accessingnaming and directory services through thejavax.namingand related packages.javax.print Provides the principal classes and interfaces for the Java™ Print Service API.javax.print.attribute Provides classes and interfaces that describe the types of Java™ Print Service attributes and how they can be collected into attribute sets.javax.print.attribute.standard Packagejavax.print.attribute.standardcontains classes for specific printing attributes.javax.script The scripting API consists of interfaces and classes that defineJava™ Scripting Engines and providesa framework for their use in Java applications.javax.security.auth This package provides a framework for authentication and authorization.javax.sound.midi Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.javax.sound.sampled Provides interfaces and classes for capture, processing, and playback of sampled audio data.javax.sql Provides the API for server side data source access and processing fromthe Java™ programming language.javax.sql.rowset Standard interfaces and base classes for JDBCRowSetimplementations.javax.sql.rowset.serial Provides utility classes to allow serializable mappings between SQL typesand data types in the Java programming language.javax.swing Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.javax.swing.event Provides for events fired by Swing components.javax.swing.plaf.synth Synth is a skinnable look and feel in which all painting is delegated.javax.swing.table Provides classes and interfaces for dealing withjavax.swing.JTable.javax.swing.text Provides classes and interfaces that deal with editable and noneditable text components.javax.swing.tree Provides classes and interfaces for dealing withjavax.swing.JTree.javax.tools Provides interfaces for tools which can be invoked from a program, for example, compilers.javax.xml.xpath Provides anobject-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.jdk.dynalink.beans Contains the linker for ordinary Java objects.jdk.dynalink.linker Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.jdk.dynalink.linker.support Contains classes that make it more convenient for language runtimes to implement their own language-specific object models and type conversions by providing basic implementations of some classes as well as various utilities.jdk.jfr This package provides classes to create events and control Flight Recorder.jdk.jshell.execution Provides implementation support for building JShell execution engines.jdk.nashorn.api.scripting This package provides thejavax.scriptintegration, which is the preferred way to use Nashorn.jdk.nashorn.api.tree Nashorn parser API provides interfaces to represent ECMAScript source code as abstract syntax trees (AST) and Parser to parse ECMAScript source scripts.jdk.net Platform specific socket options for thejava.netandjava.nio.channelssocket classes.Uses ofClass incom.sun.java.accessibility.util
Methods incom.sun.java.accessibility.util that returnClass Modifier and Type Method Description protected staticClass<?>Translator. getTranslatorClass(Class<?> c)Find a translator for this class.Methods incom.sun.java.accessibility.util with parameters of typeClass Modifier and Type Method Description voidAccessibilityListenerList. add(Class<? extendsEventListener> t,EventListener l)Add the listener as a listener of the specified type.intAccessibilityListenerList. getListenerCount(Class<? extendsEventListener> t)Return the total number of listeners of the supplied type for this listener list.protected staticClass<?>Translator. getTranslatorClass(Class<?> c)Find a translator for this class.voidAccessibilityListenerList. remove(Class<? extendsEventListener> t,EventListener l)Remove the listener as a listener of the specified type.Uses ofClass incom.sun.source.tree
Methods incom.sun.source.tree that returnClass Modifier and Type Method Description Class<? extendsTree>Tree.Kind. asInterface()Returns the associated interface type that uses this kind.Uses ofClass injava.awt
Methods injava.awt with parameters of typeClass Modifier and Type Method Description <T extendsDragGestureRecognizer>
TToolkit. createDragGestureRecognizer(Class<T> abstractRecognizerClass,DragSource ds,Component c, int srcActions,DragGestureListener dgl)Creates a concrete, platform dependent, subclass of the abstract DragGestureRecognizer class requested, and associates it with the DragSource, Component and DragGestureListener specified.static <T extendsEventListener>
T[]AWTEventMulticaster. getListeners(EventListener l,Class<T> listenerType)Returns an array of all the objects chained asFooListeners by the specifiedjava.util.EventListener.<T extendsEventListener>
T[]Button. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisButton.<T extendsEventListener>
T[]Checkbox. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisCheckbox.<T extendsEventListener>
T[]CheckboxMenuItem. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisCheckboxMenuItem.<T extendsEventListener>
T[]Choice. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisChoice.<T extendsEventListener>
T[]Component. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisComponent.<T extendsEventListener>
T[]Container. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisContainer.<T extendsEventListener>
T[]List. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisList.<T extendsEventListener>
T[]MenuItem. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisMenuItem.<T extendsEventListener>
T[]Scrollbar. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisScrollbar.<T extendsEventListener>
T[]TextComponent. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisTextComponent.<T extendsEventListener>
T[]TextField. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisTextField.<T extendsEventListener>
T[]Window. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisWindow.protected static voidAWTKeyStroke. registerSubclass(Class<?> subclass)Deprecated.Uses ofClass injava.awt.datatransfer
Methods injava.awt.datatransfer that returnClass Modifier and Type Method Description Class<?>DataFlavor. getDefaultRepresentationClass()Returns the default representation class.Class<?>DataFlavor. getRepresentationClass()Returns theClasswhich objects supporting thisDataFlavorwill return when thisDataFlavoris requested.protected staticClass<?>DataFlavor. tryToLoadClass(String className,ClassLoader fallback)Tries to load a class from: the bootstrap loader, the system loader, the context loader (if one is present) and finally the loader specified.Constructors injava.awt.datatransfer with parameters of typeClass Constructor Description DataFlavor(Class<?> representationClass,String humanPresentableName)Constructs aDataFlavorthat represents a Java class.Uses ofClass injava.awt.dnd
Methods injava.awt.dnd with parameters of typeClass Modifier and Type Method Description <T extendsDragGestureRecognizer>
TDragSource. createDragGestureRecognizer(Class<T> recognizerAbstractClass,Component c, int actions,DragGestureListener dgl)Creates a newDragGestureRecognizerthat implements the specified abstract subclass ofDragGestureRecognizer, and sets the specifiedComponentandDragGestureListeneron the newly created object.<T extendsEventListener>
T[]DragSource. getListeners(Class<T> listenerType)Gets all the objects currently registered asFooListeners upon thisDragSource.Uses ofClass injava.awt.image.renderable
Methods injava.awt.image.renderable that returnClass Modifier and Type Method Description Class<?>[]ParameterBlock. getParamClasses()Returns an array of Class objects describing the types of the parameters.Uses ofClass injava.beans
Methods injava.beans that returnClass Modifier and Type Method Description Class<?>BeanDescriptor. getBeanClass()Gets the bean's Class object.Class<?>BeanDescriptor. getCustomizerClass()Gets the Class object for the bean's customizer.Class<?>IndexedPropertyDescriptor. getIndexedPropertyType()Returns the Java type info for the indexed property.Class<?>EventSetDescriptor. getListenerType()Gets theClassobject for the target interface.Class<?>PropertyDescriptor. getPropertyEditorClass()Gets any explicit PropertyEditor Class that has been registered for this property.Class<?>PropertyDescriptor. getPropertyType()Returns the Java type info for the property.Methods injava.beans with parameters of typeClass Modifier and Type Method Description static <T> TEventHandler. create(Class<T> listenerInterface,Object target,String action)Creates an implementation oflistenerInterfacein whichall of the methods in the listener interface apply the handler'sactionto thetarget.static <T> TEventHandler. create(Class<T> listenerInterface,Object target,String action,String eventPropertyName)/** Creates an implementation oflistenerInterfacein whichall of the methods pass the value of the event expression,eventPropertyName, to the final method in the statement,action, which is applied to thetarget.static <T> TEventHandler. create(Class<T> listenerInterface,Object target,String action,String eventPropertyName,String listenerMethodName)Creates an implementation oflistenerInterfacein which the method namedlistenerMethodNamepasses the value of the event expression,eventPropertyName, to the final method in the statement,action, which is applied to thetarget.staticPropertyEditorPropertyEditorManager. findEditor(Class<?> targetType)Locate a value editor for a given target type.static voidIntrospector. flushFromCaches(Class<?> clz)Flush the Introspector's internal cached information for a given class.staticBeanInfoIntrospector. getBeanInfo(Class<?> beanClass)Introspect on a Java Bean and learn about all its properties, exposed methods, and events.staticBeanInfoIntrospector. getBeanInfo(Class<?> beanClass, int flags)Introspect on a Java bean and learn about all its properties, exposed methods, and events, subject to some control flags.staticBeanInfoIntrospector. getBeanInfo(Class<?> beanClass,Class<?> stopClass)Introspect on a Java bean and learn all about its properties, exposed methods, below a given "stop" point.staticBeanInfoIntrospector. getBeanInfo(Class<?> beanClass,Class<?> stopClass, int flags)Introspect on a Java Bean and learn about all its properties, exposed methods and events, below a givenstopClasspoint subject to some controlflags.staticObjectBeans. getInstanceOf(Object bean,Class<?> targetType)From a given bean, obtain an object representing a specified type view of that source object.PersistenceDelegateEncoder. getPersistenceDelegate(Class<?> type)Returns the persistence delegate for the given type.protected voidDefaultPersistenceDelegate. initialize(Class<?> type,Object oldInstance,Object newInstance,Encoder out)This default implementation of theinitializemethod assumes all state held in objects of this type is exposed via the matching pairs of "setter" and "getter" methods in the order they are returned by the Introspector.protected voidPersistenceDelegate. initialize(Class<?> type,Object oldInstance,Object newInstance,Encoder out)Produce a series of statements with side effects onnewInstanceso that the new instance becomesequivalent tooldInstance.static booleanBeans. isInstanceOf(Object bean,Class<?> targetType)Check if a bean can be viewed as a given target type.static voidPropertyEditorManager. registerEditor(Class<?> targetType,Class<?> editorClass)Registers an editor class to edit values of the given target class.voidEncoder. setPersistenceDelegate(Class<?> type,PersistenceDelegate delegate)Associates the specified persistence delegate with the given type.voidPropertyDescriptor. setPropertyEditorClass(Class<?> propertyEditorClass)Normally PropertyEditors will be found using the PropertyEditorManager.Constructors injava.beans with parameters of typeClass Constructor Description BeanDescriptor(Class<?> beanClass)Create a BeanDescriptor for a bean that doesn't have a customizer.BeanDescriptor(Class<?> beanClass,Class<?> customizerClass)Create a BeanDescriptor for a bean that has a customizer.EventSetDescriptor(Class<?> sourceClass,String eventSetName,Class<?> listenerType,String listenerMethodName)Creates anEventSetDescriptorassuming that you are following the most simple standard design pattern where a named event "fred" is (1) delivered as a call on the single method of interface FredListener, (2) has a single argument of type FredEvent, and (3) where the FredListener may be registered with a call on an addFredListener method of the source component and removed with a call on a removeFredListener method.EventSetDescriptor(Class<?> sourceClass,String eventSetName,Class<?> listenerType,String[] listenerMethodNames,String addListenerMethodName,String removeListenerMethodName)Creates anEventSetDescriptorfrom scratch using string names.EventSetDescriptor(Class<?> sourceClass,String eventSetName,Class<?> listenerType,String[] listenerMethodNames,String addListenerMethodName,String removeListenerMethodName,String getListenerMethodName)This constructor creates an EventSetDescriptor from scratch using string names.EventSetDescriptor(String eventSetName,Class<?> listenerType,MethodDescriptor[] listenerMethodDescriptors,Method addListenerMethod,Method removeListenerMethod)Creates anEventSetDescriptorfrom scratch usingjava.lang.reflect.MethodDescriptorandjava.lang.Classobjects.EventSetDescriptor(String eventSetName,Class<?> listenerType,Method[] listenerMethods,Method addListenerMethod,Method removeListenerMethod)Creates anEventSetDescriptorfrom scratch usingjava.lang.reflect.Methodandjava.lang.Classobjects.EventSetDescriptor(String eventSetName,Class<?> listenerType,Method[] listenerMethods,Method addListenerMethod,Method removeListenerMethod,Method getListenerMethod)This constructor creates an EventSetDescriptor from scratch using java.lang.reflect.Method and java.lang.Class objects.IndexedPropertyDescriptor(String propertyName,Class<?> beanClass)This constructor constructs an IndexedPropertyDescriptor for a property that follows the standard Java conventions by having getFoo and setFoo accessor methods, for both indexed access and array access.IndexedPropertyDescriptor(String propertyName,Class<?> beanClass,String readMethodName,String writeMethodName,String indexedReadMethodName,String indexedWriteMethodName)This constructor takes the name of a simple property, and method names for reading and writing the property, both indexed and non-indexed.PropertyDescriptor(String propertyName,Class<?> beanClass)Constructs a PropertyDescriptor for a property that follows the standard Java convention by having getFoo and setFoo accessor methods.PropertyDescriptor(String propertyName,Class<?> beanClass,String readMethodName,String writeMethodName)This constructor takes the name of a simple property, and method names for reading and writing the property.Uses ofClass injava.beans.beancontext
Fields injava.beans.beancontext declared asClass Modifier and Type Field Description protectedClass<?>BeanContextServiceAvailableEvent. serviceClassAClassreference to the newly available serviceprotectedClass<?>BeanContextServiceRevokedEvent. serviceClassAClassreference to the service that is being revoked.Methods injava.beans.beancontext that returnClass Modifier and Type Method Description Class<?>BeanContextServiceAvailableEvent. getServiceClass()Gets the service class that is the subject of this notification.Class<?>BeanContextServiceRevokedEvent. getServiceClass()Gets the service class that is the subject of this notificationMethods injava.beans.beancontext with parameters of typeClass Modifier and Type Method Description booleanBeanContextServices. addService(Class<?> serviceClass,BeanContextServiceProvider serviceProvider)Adds a service to this BeanContext.booleanBeanContextServicesSupport. addService(Class<?> serviceClass,BeanContextServiceProvider bcsp)add a serviceprotected booleanBeanContextServicesSupport. addService(Class<?> serviceClass,BeanContextServiceProvider bcsp, boolean fireEvent)add a serviceprotected static booleanBeanContextSupport. classEquals(Class<?> first,Class<?> second)Tests to see if two class objects, or their names are equal.protectedBeanContextServicesSupport.BCSSServiceProviderBeanContextServicesSupport. createBCSSServiceProvider(Class<?> sc,BeanContextServiceProvider bcsp)subclasses can override this method to create new subclasses of BCSSServiceProvider without having to override addService() in order to instantiate.protected voidBeanContextServicesSupport. fireServiceAdded(Class<?> serviceClass)Fires aBeanContextServiceEventnotifying of a new service.protected voidBeanContextServicesSupport. fireServiceRevoked(Class<?> serviceClass, boolean revokeNow)Fires aBeanContextServiceRevokedEventindicating that a particular service is no longer available.Iterator<?>BeanContextServiceProvider. getCurrentServiceSelectors(BeanContextServices bcs,Class<?> serviceClass)Invoked byBeanContextServices, this method gets the current service selectors for the specified service.Iterator<?>BeanContextServices. getCurrentServiceSelectors(Class<?> serviceClass)Gets the list of service dependent service parameters (Service Selectors) for the specified service, by calling getCurrentServiceSelectors() on the underlying BeanContextServiceProvider.Iterator<?>BeanContextServicesSupport. getCurrentServiceSelectors(Class<?> serviceClass)ObjectBeanContextServiceProvider. getService(BeanContextServices bcs,Object requestor,Class<?> serviceClass,Object serviceSelector)Invoked byBeanContextServices, this method requests an instance of a service from thisBeanContextServiceProvider.ObjectBeanContextServices. getService(BeanContextChild child,Object requestor,Class<?> serviceClass,Object serviceSelector,BeanContextServiceRevokedListener bcsrl)ABeanContextChild, or any arbitrary object associated with aBeanContextChild, may obtain a reference to a currently registered service from its nestingBeanContextServicesvia invocation of this method.ObjectBeanContextServicesSupport. getService(BeanContextChild child,Object requestor,Class<?> serviceClass,Object serviceSelector,BeanContextServiceRevokedListener bcsrl)obtain a service which may be delegatedbooleanBeanContextServices. hasService(Class<?> serviceClass)Reports whether or not a given service is currently available from this context.booleanBeanContextServicesSupport. hasService(Class<?> serviceClass)has a service, which may be delegatedbooleanBeanContextServiceRevokedEvent. isServiceClass(Class<?> service)Checks this event to determine whether or not the service being revoked is of a particular class.voidBeanContextServices. revokeService(Class<?> serviceClass,BeanContextServiceProvider serviceProvider, boolean revokeCurrentServicesNow)BeanContextServiceProviders wishing to remove a currently registered service from this context may do so via invocation of this method.voidBeanContextServicesSupport. revokeService(Class<?> serviceClass,BeanContextServiceProvider bcsp, boolean revokeCurrentServicesNow)remove a serviceConstructors injava.beans.beancontext with parameters of typeClass Constructor Description BeanContextServiceAvailableEvent(BeanContextServices bcs,Class<?> sc)Construct aBeanContextAvailableServiceEvent.BeanContextServiceRevokedEvent(BeanContextServices bcs,Class<?> sc, boolean invalidate)Construct aBeanContextServiceEvent.Uses ofClass injava.io
Methods injava.io that returnClass Modifier and Type Method Description Class<?>ObjectStreamClass. forClass()Return the class in the local VM that this version is mapped to.Class<?>ObjectStreamField. getType()Get the type of the field.protectedClass<?>ObjectInputStream. resolveClass(ObjectStreamClass desc)Load the local class equivalent of the specified stream class description.protectedClass<?>ObjectInputStream. resolveProxyClass(String[] interfaces)Returns a proxy class that implements the interfaces named in a proxy class descriptor; subclasses may implement this method to read custom data from the stream along with the descriptors for dynamic proxy classes, allowing them to use an alternate loading mechanism for the interfaces and the proxy class.Class<?>ObjectInputFilter.FilterInfo. serialClass()The class of an object being deserialized.Methods injava.io with parameters of typeClass Modifier and Type Method Description protected voidObjectOutputStream. annotateClass(Class<?> cl)Subclasses may implement this method to allow class data to be stored in the stream.protected voidObjectOutputStream. annotateProxyClass(Class<?> cl)Subclasses may implement this method to store custom data in the stream along with descriptors for dynamic proxy classes.staticObjectStreamClassObjectStreamClass. lookup(Class<?> cl)Find the descriptor for a class that can be serialized.staticObjectStreamClassObjectStreamClass. lookupAny(Class<?> cl)Returns the descriptor for any class, regardless of whether it implementsSerializable.Constructors injava.io with parameters of typeClass Constructor Description ObjectStreamField(String name,Class<?> type)Create a Serializable field with the specified type.ObjectStreamField(String name,Class<?> type, boolean unshared)Creates an ObjectStreamField representing a serializable field with the given name and type.Uses ofClass injava.lang
Fields injava.lang declared asClass Modifier and Type Field Description staticClass<Boolean>Boolean. TYPEThe Class object representing the primitive type boolean.staticClass<Byte>Byte. TYPETheClassinstance representing the primitive typebyte.staticClass<Character>Character. TYPETheClassinstance representing the primitive typechar.staticClass<Double>Double. TYPETheClassinstance representing the primitive typedouble.staticClass<Float>Float. TYPETheClassinstance representing the primitive typefloat.staticClass<Integer>Integer. TYPETheClassinstance representing the primitive typeint.staticClass<Long>Long. TYPETheClassinstance representing the primitive typelong.staticClass<Short>Short. TYPETheClassinstance representing the primitive typeshort.staticClass<Void>Void. TYPETheClassobject representing the pseudo-type corresponding to the keywordvoid.Methods injava.lang that returnClass Modifier and Type Method Description <U> Class<? extends U>Class. asSubclass(Class<U> clazz)Casts thisClassobject to represent a subclass of the class represented by the specified class object.protectedClass<?>ClassLoader. defineClass(byte[] b, int off, int len)Deprecated.Replaced bydefineClass(String, byte[], int, int)protectedClass<?>ClassLoader. defineClass(String name, byte[] b, int off, int len)Converts an array of bytes into an instance of classClass.protectedClass<?>ClassLoader. defineClass(String name, byte[] b, int off, int len,ProtectionDomain protectionDomain)Converts an array of bytes into an instance of classClass, with a givenProtectionDomain.protectedClass<?>ClassLoader. defineClass(String name,ByteBuffer b,ProtectionDomain protectionDomain)Class<? extendsEnum>EnumConstantNotPresentException. enumType()Returns the type of the missing enum constant.protectedClass<?>ClassLoader. findClass(String name)Finds the class with the specifiedbinary name.protectedClass<?>ClassLoader. findClass(String moduleName,String name)Finds the class with the givenbinary name in a module defined to this class loader.protectedClass<?>ClassLoader. findLoadedClass(String name)Returns the class with the givenbinary name if this loader has been recorded by the Java virtual machine as an initiating loader of a class with thatbinary name.protectedClass<?>ClassLoader. findSystemClass(String name)Finds a class with the specifiedbinary name, loading it if necessary.staticClass<?>Class. forName(Module module,String name)Returns theClasswith the given binary name in the given module.staticClass<?>Class. forName(String className)Returns theClassobject associated with the class or interface with the given string name.staticClass<?>Class. forName(String name, boolean initialize,ClassLoader loader)Returns theClassobject associated with the class or interface with the given string name, using the given class loader.Class<?>StackWalker. getCallerClass()Gets theClassobject of the caller who invoked the method that invokedgetCallerClass.Class<?>Object. getClass()Returns the runtime class of thisObject.protectedClass<?>[]SecurityManager. getClassContext()Returns the current execution stack as an array of classes.Class<?>[]Class. getClasses()Returns an array containingClassobjects representing all the public classes and interfaces that are members of the class represented by thisClassobject.Class<?>Class. getComponentType()Returns theClassrepresenting the component type of an array.Class<?>[]Class. getDeclaredClasses()Returns an array ofClassobjects reflecting all the classes and interfaces declared as members of the class represented by thisClassobject.Class<?>Class. getDeclaringClass()If the class or interface represented by thisClassobject is a member of another class, returns theClassobject representing the class in which it was declared.Class<E>Enum. getDeclaringClass()Returns the Class object corresponding to this enum constant's enum type.Class<?>StackWalker.StackFrame. getDeclaringClass()Gets the declaringClassfor the method represented by this stack frame.Class<?>Class. getEnclosingClass()Returns the immediately enclosing class of the underlying class.Class<?>[]Class. getInterfaces()Returns the interfaces directly implemented by the class or interface represented by this object.Class<?>Class. getNestHost()Returns the nest host of thenest to which the class or interface represented by thisClassobject belongs.Class<?>[]Class. getNestMembers()Returns an array containingClassobjects representing all the classes and interfaces that are members of the nest to which the class or interface represented by thisClassobject belongs.Class<? superT>Class. getSuperclass()Returns theClassrepresenting the direct superclass of the entity (class, interface, primitive type or void) represented by thisClass.Class<?>ClassLoader. loadClass(String name)Loads the class with the specifiedbinary name.protectedClass<?>ClassLoader. loadClass(String name, boolean resolve)Loads the class with the specifiedbinary name.Methods injava.lang that return types with arguments of typeClass Modifier and Type Method Description TypeVariable<Class<T>>[]Class. getTypeParameters()Returns an array ofTypeVariableobjects that represent the type variables declared by the generic declaration represented by thisGenericDeclarationobject, in declaration order.Methods injava.lang with parameters of typeClass Modifier and Type Method Description ModuleModule. addUses(Class<?> service)If the caller's module is this module then update this module to add a service dependence on the given service type.<U> Class<? extends U>Class. asSubclass(Class<U> clazz)Casts thisClassobject to represent a subclass of the class represented by the specified class object.booleanModule. canUse(Class<?> service)Indicates if this module has a service dependence on the given service type.static booleanCompiler. compileClass(Class<?> clazz)Deprecated, for removal: This API element is subject to removal in a future version.Compiles the specified class.protected abstractTClassValue. computeValue(Class<?> type)Computes the given class's derived value for thisClassValue.TClassValue. get(Class<?> type)Returns the value for the given class.<A extendsAnnotation>
AClass. getAnnotation(Class<A> annotationClass)<T extendsAnnotation>
TModule. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<A extendsAnnotation>
APackage. getAnnotation(Class<A> annotationClass)<A extendsAnnotation>
A[]Class. getAnnotationsByType(Class<A> annotationClass)<A extendsAnnotation>
A[]Package. getAnnotationsByType(Class<A> annotationClass)Constructor<T>Class. getConstructor(Class<?>... parameterTypes)Returns aConstructorobject that reflects the specified public constructor of the class represented by thisClassobject.<A extendsAnnotation>
AClass. getDeclaredAnnotation(Class<A> annotationClass)<A extendsAnnotation>
APackage. getDeclaredAnnotation(Class<A> annotationClass)<A extendsAnnotation>
A[]Class. getDeclaredAnnotationsByType(Class<A> annotationClass)<A extendsAnnotation>
A[]Package. getDeclaredAnnotationsByType(Class<A> annotationClass)Constructor<T>Class. getDeclaredConstructor(Class<?>... parameterTypes)Returns aConstructorobject that reflects the specified constructor of the class or interface represented by thisClassobject.MethodClass. getDeclaredMethod(String name,Class<?>... parameterTypes)Returns aMethodobject that reflects the specified declared method of the class or interface represented by thisClassobject.MethodClass. getMethod(String name,Class<?>... parameterTypes)Returns aMethodobject that reflects the specified public member method of the class or interface represented by thisClassobject.booleanClass. isAnnotationPresent(Class<? extendsAnnotation> annotationClass)Returns true if an annotation for the specified type ispresent on this element, else false.booleanPackage. isAnnotationPresent(Class<? extendsAnnotation> annotationClass)Returns true if an annotation for the specified type ispresent on this element, else false.booleanClass. isAssignableFrom(Class<?> cls)Determines if the class or interface represented by thisClassobject is either the same as, or is a superclass or superinterface of, the class or interface represented by the specifiedClassparameter.booleanClass. isNestmateOf(Class<?> c)Determines if the givenClassis a nestmate of the class or interface represented by thisClassobject.voidClassValue. remove(Class<?> type)Removes the associated value for the given class.protected voidClassLoader. resolveClass(Class<?> c)Links the specified class.protected voidClassLoader. setSigners(Class<?> c,Object[] signers)Sets the signers of a class.static <T extendsEnum<T>>
TEnum. valueOf(Class<T> enumType,String name)Returns the enum constant of the specified enum type with the specified name.Constructors injava.lang with parameters of typeClass Constructor Description EnumConstantNotPresentException(Class<? extendsEnum> enumType,String constantName)Constructs anEnumConstantNotPresentExceptionfor the specified constant.Uses ofClass injava.lang.annotation
Methods injava.lang.annotation that returnClass Modifier and Type Method Description Class<? extendsAnnotation>Annotation. annotationType()Returns the annotation type of this annotation.Class<? extendsAnnotation>IncompleteAnnotationException. annotationType()Returns the Class object for the annotation type with the missing element.Class<? extendsAnnotation>value()Indicates thecontaining annotation type for the repeatable annotation type.Constructors injava.lang.annotation with parameters of typeClass Constructor Description IncompleteAnnotationException(Class<? extendsAnnotation> annotationType,String elementName)Constructs an IncompleteAnnotationException to indicate that the named element was missing from the specified annotation type.Uses ofClass injava.lang.instrument
Methods injava.lang.instrument that returnClass Modifier and Type Method Description Class[]Instrumentation. getAllLoadedClasses()Returns an array of all classes currently loaded by the JVM.Class<?>ClassDefinition. getDefinitionClass()Returns the class.Class[]Instrumentation. getInitiatedClasses(ClassLoader loader)Returns an array of all classes for whichloaderis an initiating loader.Methods injava.lang.instrument with parameters of typeClass Modifier and Type Method Description booleanInstrumentation. isModifiableClass(Class<?> theClass)Tests whether a class is modifiable byretransformation orredefinition.voidInstrumentation. retransformClasses(Class<?>... classes)Retransform the supplied set of classes.default byte[]ClassFileTransformer. transform(ClassLoader loader,String className,Class<?> classBeingRedefined,ProtectionDomain protectionDomain, byte[] classfileBuffer)Transforms the given class file and returns a new replacement class file.default byte[]ClassFileTransformer. transform(Module module,ClassLoader loader,String className,Class<?> classBeingRedefined,ProtectionDomain protectionDomain, byte[] classfileBuffer)Transforms the given class file and returns a new replacement class file.Constructors injava.lang.instrument with parameters of typeClass Constructor Description ClassDefinition(Class<?> theClass, byte[] theClassFile)Creates a newClassDefinitionbinding using the supplied class and class file bytes.Uses ofClass injava.lang.invoke
Methods injava.lang.invoke that returnClass Modifier and Type Method Description Class<?>MethodHandles.Lookup. accessClass(Class<?> targetClass)Determines if a class can be accessed from the lookup context defined by thisLookupobject.Class<?>MethodHandles.Lookup. defineClass(byte[] bytes)Defines a class to the same class loader and in the same runtime package andprotection domain as this lookup'slookup class.Class<?>MethodHandles.Lookup. findClass(String targetName)Looks up a class by name from the lookup context defined by thisLookupobject.Class<?>MethodHandleInfo. getDeclaringClass()Returns the class in which the cracked method handle's underlying member was defined.Class<?>MethodType. lastParameterType()Returns the last parameter type of this method type.Class<?>MethodHandles.Lookup. lookupClass()Tells which class is performing the lookup.Class<?>[]MethodType. parameterArray()Presents the parameter types as an array (a convenience method).Class<?>MethodType. parameterType(int num)Returns the parameter type at the specified index, within this method type.staticClass<?>ConstantBootstraps. primitiveClass(MethodHandles.Lookup lookup,String name,Class<?> type)Returns aClassmirror for the primitive type whose type descriptor is specified byname.Class<?>MethodType. returnType()Returns the return type of this method type.Class<?>VarHandle. varType()Returns the variable type of variables referenced by this VarHandle.staticClass<?>MethodHandleProxies. wrapperInstanceType(Object x)Recovers the unique single-method interface type for which this wrapper instance was created.Methods injava.lang.invoke that return types with arguments of typeClass Modifier and Type Method Description List<Class<?>>VarHandle. coordinateTypes()Returns the coordinate types for this VarHandle.List<Class<?>>MethodType. parameterList()Presents the parameter types as a list (a convenience method).Methods injava.lang.invoke with parameters of typeClass Modifier and Type Method Description Class<?>MethodHandles.Lookup. accessClass(Class<?> targetClass)Determines if a class can be accessed from the lookup context defined by thisLookupobject.MethodTypeMethodType. appendParameterTypes(Class<?>... ptypesToInsert)Finds or creates a method type with additional parameter types.staticMethodHandleMethodHandles. arrayConstructor(Class<?> arrayClass)Produces a method handle constructing arrays of a desired type, as if by theanewarraybytecode.staticMethodHandleMethodHandles. arrayElementGetter(Class<?> arrayClass)Produces a method handle giving read access to elements of an array, as if by theaaloadbytecode.staticMethodHandleMethodHandles. arrayElementSetter(Class<?> arrayClass)Produces a method handle giving write access to elements of an array, as if by theastorebytecode.staticVarHandleMethodHandles. arrayElementVarHandle(Class<?> arrayClass)Produces a VarHandle giving access to elements of an array of typearrayClass.staticMethodHandleMethodHandles. arrayLength(Class<?> arrayClass)Produces a method handle returning the length of an array, as if by thearraylengthbytecode.staticVarHandleConstantBootstraps. arrayVarHandle(MethodHandles.Lookup lookup,String name,Class<VarHandle> type,Class<?> arrayClass)Finds aVarHandlefor an array type.MethodHandleMethodHandle. asCollector(int collectArgPos,Class<?> arrayType, int arrayLength)Makes anarray-collecting method handle, which accepts a given number of positional arguments starting at a given position, and collects them into an array argument.MethodHandleMethodHandle. asCollector(Class<?> arrayType, int arrayLength)Makes anarray-collecting method handle, which accepts a given number of trailing positional arguments and collects them into an array argument.static <T> TMethodHandleProxies. asInterfaceInstance(Class<T> intfc,MethodHandle target)Produces an instance of the given single-method interface which redirects its calls to the given method handle.MethodHandleMethodHandle. asSpreader(int spreadArgPos,Class<?> arrayType, int arrayLength)Makes anarray-spreading method handle, which accepts an array argument at a given position and spreads its elements as positional arguments in place of the array.MethodHandleMethodHandle. asSpreader(Class<?> arrayType, int arrayLength)Makes anarray-spreading method handle, which accepts a trailing array argument and spreads its elements as positional arguments.MethodHandleMethodHandle. asVarargsCollector(Class<?> arrayType)Makes avariable arity adapter which is able to accept any number of trailing positional arguments and collect them into an array argument.staticVarHandleMethodHandles. byteArrayViewVarHandle(Class<?> viewArrayClass,ByteOrder byteOrder)Produces a VarHandle giving access to elements of abyte[]array viewed as if it were a different primitive array type, such asint[]orlong[].staticVarHandleMethodHandles. byteBufferViewVarHandle(Class<?> viewArrayClass,ByteOrder byteOrder)Produces a VarHandle giving access to elements of aByteBufferviewed as if it were an array of elements of a different primitive component type to that ofbyte, such asint[]orlong[].staticMethodHandleMethodHandles. catchException(MethodHandle target,Class<? extendsThrowable> exType,MethodHandle handler)Makes a method handle which adapts a target method handle, by running it inside an exception handler.MethodTypeMethodType. changeParameterType(int num,Class<?> nptype)Finds or creates a method type with a single different parameter type.MethodTypeMethodType. changeReturnType(Class<?> nrtype)Finds or creates a method type with a different return type.staticMethodHandleMethodHandles. constant(Class<?> type,Object value)Produces a method handle of the requested return type which returns the given constant value every time it is invoked.staticMethodHandleMethodHandles. dropArguments(MethodHandle target, int pos,Class<?>... valueTypes)Produces a method handle which will discard some dummy arguments before calling some other specifiedtarget method handle.static <E extendsEnum<E>>
EConstantBootstraps. enumConstant(MethodHandles.Lookup lookup,String name,Class<E> type)Returns anenumconstant of the type specified bytypewith the name specified byname.staticVarHandleConstantBootstraps. fieldVarHandle(MethodHandles.Lookup lookup,String name,Class<VarHandle> type,Class<?> declaringClass,Class<?> fieldType)Finds aVarHandlefor an instance field.MethodHandleMethodHandles.Lookup. findConstructor(Class<?> refc,MethodType type)Produces a method handle which creates an object and initializes it, using the constructor of the specified type.MethodHandleMethodHandles.Lookup. findGetter(Class<?> refc,String name,Class<?> type)Produces a method handle giving read access to a non-static field.MethodHandleMethodHandles.Lookup. findSetter(Class<?> refc,String name,Class<?> type)Produces a method handle giving write access to a non-static field.MethodHandleMethodHandles.Lookup. findSpecial(Class<?> refc,String name,MethodType type,Class<?> specialCaller)Produces an early-bound method handle for a virtual method.MethodHandleMethodHandles.Lookup. findStatic(Class<?> refc,String name,MethodType type)Produces a method handle for a static method.MethodHandleMethodHandles.Lookup. findStaticGetter(Class<?> refc,String name,Class<?> type)Produces a method handle giving read access to a static field.MethodHandleMethodHandles.Lookup. findStaticSetter(Class<?> refc,String name,Class<?> type)Produces a method handle giving write access to a static field.VarHandleMethodHandles.Lookup. findStaticVarHandle(Class<?> decl,String name,Class<?> type)Produces a VarHandle giving access to a static fieldnameof typetypedeclared in a class of typedecl.VarHandleMethodHandles.Lookup. findVarHandle(Class<?> recv,String name,Class<?> type)Produces a VarHandle giving access to a non-static fieldnameof typetypedeclared in a class of typerecv.MethodHandleMethodHandles.Lookup. findVirtual(Class<?> refc,String name,MethodType type)Produces a method handle for a virtual method.staticObjectConstantBootstraps. getStaticFinal(MethodHandles.Lookup lookup,String name,Class<?> type)Returns the value of a static final field declared in the class which is the same as the field's type (or, for primitive-valued fields, declared in the wrapper class.)staticObjectConstantBootstraps. getStaticFinal(MethodHandles.Lookup lookup,String name,Class<?> type,Class<?> declaringClass)Returns the value of a static final field.staticMethodHandleMethodHandles. identity(Class<?> type)Produces a method handle which returns its sole argument when invoked.MethodHandles.LookupMethodHandles.Lookup. in(Class<?> requestedLookupClass)Creates a lookup on the specified new lookup class.MethodTypeMethodType. insertParameterTypes(int num,Class<?>... ptypesToInsert)Finds or creates a method type with additional parameter types.staticObjectConstantBootstraps. invoke(MethodHandles.Lookup lookup,String name,Class<?> type,MethodHandle handle,Object... args)Returns the result of invoking a method handle with the provided arguments.staticMethodTypeMethodType. methodType(Class<?> rtype)Finds or creates a method type with the given components.staticMethodTypeMethodType. methodType(Class<?> rtype,Class<?> ptype0)Finds or creates a method type with the given components.staticMethodTypeMethodType. methodType(Class<?> rtype,Class<?>[] ptypes)Finds or creates an instance of the given method type.staticMethodTypeMethodType. methodType(Class<?> rtype,Class<?> ptype0,Class<?>... ptypes)Finds or creates a method type with the given components.staticMethodTypeMethodType. methodType(Class<?> rtype,MethodType ptypes)Finds or creates a method type with the given components.staticMethodTypeMethodType. methodType(Class<?> rtype,List<Class<?>> ptypes)Finds or creates a method type with the given components.staticObjectConstantBootstraps. nullConstant(MethodHandles.Lookup lookup,String name,Class<?> type)Returns anullobject reference for the reference type specified bytype.staticClass<?>ConstantBootstraps. primitiveClass(MethodHandles.Lookup lookup,String name,Class<?> type)Returns aClassmirror for the primitive type whose type descriptor is specified byname.staticMethodHandles.LookupMethodHandles. privateLookupIn(Class<?> targetClass,MethodHandles.Lookup lookup)Returns alookup objectwith full capabilities to emulate all supported bytecode behaviors, including private access, on a target class.<T extendsMember>
TMethodHandleInfo. reflectAs(Class<T> expected,MethodHandles.Lookup lookup)Reflects the underlying member as a method, constructor, or field object.static <T extendsMember>
TMethodHandles. reflectAs(Class<T> expected,MethodHandle target)Performs an unchecked "crack" of adirect method handle.staticVarHandleConstantBootstraps. staticFieldVarHandle(MethodHandles.Lookup lookup,String name,Class<VarHandle> type,Class<?> declaringClass,Class<?> fieldType)Finds aVarHandlefor a static field.staticMethodHandleMethodHandles. throwException(Class<?> returnType,Class<? extendsThrowable> exType)Produces a method handle which will throw exceptions of the givenexType.staticStringMethodHandleInfo. toString(int kind,Class<?> defc,String name,MethodType type)Returns a string representation for aMethodHandleInfo, given the four parts of its symbolic reference.MethodHandleMethodHandles.Lookup. unreflectSpecial(Method m,Class<?> specialCaller)Produces a method handle for a reflected method.staticMethodHandleMethodHandles. zero(Class<?> type)Produces a constant method handle of the requested return type which returns the default value for that type every time it is invoked.Method parameters injava.lang.invoke with type arguments of typeClass Modifier and Type Method Description MethodTypeMethodType. appendParameterTypes(List<Class<?>> ptypesToInsert)Finds or creates a method type with additional parameter types.staticMethodHandleMethodHandles. dropArguments(MethodHandle target, int pos,List<Class<?>> valueTypes)Produces a method handle which will discard some dummy arguments before calling some other specifiedtarget method handle.staticMethodHandleMethodHandles. dropArgumentsToMatch(MethodHandle target, int skip,List<Class<?>> newTypes, int pos)Adapts a target method handle to match the given parameter type list.MethodTypeMethodType. insertParameterTypes(int num,List<Class<?>> ptypesToInsert)Finds or creates a method type with additional parameter types.staticMethodTypeMethodType. methodType(Class<?> rtype,List<Class<?>> ptypes)Finds or creates a method type with the given components.Constructors injava.lang.invoke with parameters of typeClass Constructor Description SerializedLambda(Class<?> capturingClass,String functionalInterfaceClass,String functionalInterfaceMethodName,String functionalInterfaceMethodSignature, int implMethodKind,String implClass,String implMethodName,String implMethodSignature,String instantiatedMethodType,Object[] capturedArgs)Create aSerializedLambdafrom the low-level information present at the lambda factory site.Uses ofClass injava.lang.management
Methods injava.lang.management that return types with arguments of typeClass Modifier and Type Method Description staticSet<Class<? extendsPlatformManagedObject>>ManagementFactory. getPlatformManagementInterfaces()Returns the set ofClassobjects, subinterface ofPlatformManagedObject, representing all management interfaces for monitoring and managing the Java platform.Methods injava.lang.management with parameters of typeClass Modifier and Type Method Description static <T extendsPlatformManagedObject>
TManagementFactory. getPlatformMXBean(Class<T> mxbeanInterface)Returns the platform MXBean implementing the givenmxbeanInterfacewhich is specified to have one single instance in the Java virtual machine.static <T extendsPlatformManagedObject>
TManagementFactory. getPlatformMXBean(MBeanServerConnection connection,Class<T> mxbeanInterface)Returns the platform MXBean proxy formxbeanInterfacewhich is specified to have one single instance in a Java virtual machine and the proxy will forward the method calls through the givenMBeanServerConnection.static <T extendsPlatformManagedObject>
List<T>ManagementFactory. getPlatformMXBeans(Class<T> mxbeanInterface)Returns the list of platform MXBeans implementing the givenmxbeanInterfacein the Java virtual machine.static <T extendsPlatformManagedObject>
List<T>ManagementFactory. getPlatformMXBeans(MBeanServerConnection connection,Class<T> mxbeanInterface)Returns the list of the platform MXBean proxies for forwarding the method calls of themxbeanInterfacethrough the givenMBeanServerConnection.static <T> TManagementFactory. newPlatformMXBeanProxy(MBeanServerConnection connection,String mxbeanName,Class<T> mxbeanInterface)Returns a proxy for a platform MXBean interface of a givenMXBean name that forwards its method calls through the givenMBeanServerConnection.Uses ofClass injava.lang.reflect
Methods injava.lang.reflect that returnClass Modifier and Type Method Description Class<T>Constructor. getDeclaringClass()Returns theClassobject representing the class that declares the constructor represented by this object.abstractClass<?>Executable. getDeclaringClass()Returns theClassobject representing the class or interface that declares the executable represented by this object.Class<?>Field. getDeclaringClass()Returns theClassobject representing the class or interface that declares the field represented by thisFieldobject.Class<?>Member. getDeclaringClass()Returns the Class object representing the class or interface that declares the member or constructor represented by this Member.Class<?>Method. getDeclaringClass()Returns theClassobject representing the class or interface that declares the method represented by this object.abstractClass<?>[]Executable. getExceptionTypes()Returns an array ofClassobjects that represent the types of exceptions declared to be thrown by the underlying executable represented by this object.abstractClass<?>[]Executable. getParameterTypes()Returns an array ofClassobjects that represent the formal parameter types, in declaration order, of the executable represented by this object.staticClass<?>Proxy. getProxyClass(ClassLoader loader,Class<?>... interfaces)Deprecated.Proxy classes generated in a named module are encapsulated and not accessible to code outside its module.Class<?>Method. getReturnType()Returns aClassobject that represents the formal return type of the method represented by thisMethodobject.Class<?>Field. getType()Returns aClassobject that identifies the declared type for the field represented by thisFieldobject.Class<?>Parameter. getType()Returns aClassobject that identifies the declared type for the parameter represented by thisParameterobject.Methods injava.lang.reflect with parameters of typeClass Modifier and Type Method Description <T extendsAnnotation>
TAccessibleObject. getAnnotation(Class<T> annotationClass)<T extendsAnnotation>
TAnnotatedElement. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<T extendsAnnotation>
TConstructor. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<T extendsAnnotation>
TExecutable. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<T extendsAnnotation>
TField. getAnnotation(Class<T> annotationClass)<T extendsAnnotation>
TMethod. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<T extendsAnnotation>
TParameter. getAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation ispresent, else null.<T extendsAnnotation>
T[]AccessibleObject. getAnnotationsByType(Class<T> annotationClass)default <T extendsAnnotation>
T[]AnnotatedElement. getAnnotationsByType(Class<T> annotationClass)Returns annotations that areassociated with this element.<T extendsAnnotation>
T[]Executable. getAnnotationsByType(Class<T> annotationClass)Returns annotations that areassociated with this element.<T extendsAnnotation>
T[]Field. getAnnotationsByType(Class<T> annotationClass)Returns annotations that areassociated with this element.<T extendsAnnotation>
T[]Parameter. getAnnotationsByType(Class<T> annotationClass)Returns annotations that areassociated with this element.<T extendsAnnotation>
TAccessibleObject. getDeclaredAnnotation(Class<T> annotationClass)default <T extendsAnnotation>
TAnnotatedElement. getDeclaredAnnotation(Class<T> annotationClass)Returns this element's annotation for the specified type if such an annotation isdirectly present, else null.<T extendsAnnotation>
TParameter. getDeclaredAnnotation(Class<T> annotationClass)<T extendsAnnotation>
T[]AccessibleObject. getDeclaredAnnotationsByType(Class<T> annotationClass)default <T extendsAnnotation>
T[]AnnotatedElement. getDeclaredAnnotationsByType(Class<T> annotationClass)Returns this element's annotation(s) for the specified type if such annotations are eitherdirectly present orindirectly present.<T extendsAnnotation>
T[]Parameter. getDeclaredAnnotationsByType(Class<T> annotationClass)staticClass<?>Proxy. getProxyClass(ClassLoader loader,Class<?>... interfaces)Deprecated.Proxy classes generated in a named module are encapsulated and not accessible to code outside its module.booleanAccessibleObject. isAnnotationPresent(Class<? extendsAnnotation> annotationClass)Returns true if an annotation for the specified type ispresent on this element, else false.default booleanAnnotatedElement. isAnnotationPresent(Class<? extendsAnnotation> annotationClass)Returns true if an annotation for the specified type ispresent on this element, else false.static booleanProxy. isProxyClass(Class<?> cl)Returns true if the given class is a proxy class.staticObjectArray. newInstance(Class<?> componentType, int length)Creates a new array with the specified component type and length.staticObjectArray. newInstance(Class<?> componentType, int... dimensions)Creates a new array with the specified component type and dimensions.staticObjectProxy. newProxyInstance(ClassLoader loader,Class<?>[] interfaces,InvocationHandler h)Returns a proxy instance for the specified interfaces that dispatches method invocations to the specified invocation handler.Uses ofClass injava.net
Methods injava.net that returnClass Modifier and Type Method Description protectedClass<?>URLClassLoader. findClass(String name)Finds and loads the class with the specified name from the URL search path.Class<T>SocketOption. type()Returns the type of the socket option value.Methods injava.net with parameters of typeClass Modifier and Type Method Description ObjectContentHandler. getContent(URLConnection urlc,Class[] classes)Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object that matches one of the types specified.ObjectURL. getContent(Class<?>[] classes)Gets the contents of this URL.ObjectURLConnection. getContent(Class<?>[] classes)Retrieves the contents of this URL connection.Uses ofClass injava.nio.file
Methods injava.nio.file that returnClass Modifier and Type Method Description Class<T>WatchEvent.Kind. type()Returns the type of thecontextvalue.Methods injava.nio.file with parameters of typeClass Modifier and Type Method Description static <V extendsFileAttributeView>
VFiles. getFileAttributeView(Path path,Class<V> type,LinkOption... options)Returns a file attribute view of a given type.<V extendsFileAttributeView>
VSecureDirectoryStream. getFileAttributeView(Class<V> type)Returns a new file attribute view to access the file attributes of this directory.<V extendsFileAttributeView>
VSecureDirectoryStream. getFileAttributeView(T path,Class<V> type,LinkOption... options)Returns a new file attribute view to access the file attributes of a file in this directory.abstract <V extendsFileStoreAttributeView>
VFileStore. getFileStoreAttributeView(Class<V> type)Returns aFileStoreAttributeViewof the given type.static <A extendsBasicFileAttributes>
AFiles. readAttributes(Path path,Class<A> type,LinkOption... options)Reads a file's attributes as a bulk operation.abstract booleanFileStore. supportsFileAttributeView(Class<? extendsFileAttributeView> type)Tells whether or not this file store supports the file attributes identified by the given file attribute view.Uses ofClass injava.nio.file.spi
Methods injava.nio.file.spi with parameters of typeClass Modifier and Type Method Description abstract <V extendsFileAttributeView>
VFileSystemProvider. getFileAttributeView(Path path,Class<V> type,LinkOption... options)Returns a file attribute view of a given type.abstract <A extendsBasicFileAttributes>
AFileSystemProvider. readAttributes(Path path,Class<A> type,LinkOption... options)Reads a file's attributes as a bulk operation.Uses ofClass injava.rmi.server
Methods injava.rmi.server that returnClass Modifier and Type Method Description Class<?>LoaderHandler. loadClass(String name)Deprecated.no replacementClass<?>LoaderHandler. loadClass(URL codebase,String name)Deprecated.no replacementstaticClass<?>RMIClassLoader. loadClass(String name)Deprecated.replaced byloadClass(String,String)methodstaticClass<?>RMIClassLoader. loadClass(String codebase,String name)Loads a class from a codebase URL path.staticClass<?>RMIClassLoader. loadClass(String codebase,String name,ClassLoader defaultLoader)Loads a class from a codebase URL path, optionally using the supplied loader.staticClass<?>RMIClassLoader. loadClass(URL codebase,String name)Loads a class from a codebase URL.abstractClass<?>RMIClassLoaderSpi. loadClass(String codebase,String name,ClassLoader defaultLoader)Provides the implementation forRMIClassLoader.loadClass(URL,String),RMIClassLoader.loadClass(String,String), andRMIClassLoader.loadClass(String,String,ClassLoader).staticClass<?>RMIClassLoader. loadProxyClass(String codebase,String[] interfaces,ClassLoader defaultLoader)Loads a dynamic proxy class (seeProxy) that implements a set of interfaces with the given names from a codebase URL path.abstractClass<?>RMIClassLoaderSpi. loadProxyClass(String codebase,String[] interfaces,ClassLoader defaultLoader)Provides the implementation forRMIClassLoader.loadProxyClass(String,String[],ClassLoader).Methods injava.rmi.server with parameters of typeClass Modifier and Type Method Description staticStringRMIClassLoader. getClassAnnotation(Class<?> cl)Returns the annotation string (representing a location for the class definition) that RMI will use to annotate the class descriptor when marshalling objects of the given class.abstractStringRMIClassLoaderSpi. getClassAnnotation(Class<?> cl)Provides the implementation forRMIClassLoader.getClassAnnotation(Class).Uses ofClass injava.security
Methods injava.security that returnClass Modifier and Type Method Description protectedClass<?>SecureClassLoader. defineClass(String name, byte[] b, int off, int len,CodeSource cs)Converts an array of bytes into an instance of class Class, with an optional CodeSource.protectedClass<?>SecureClassLoader. defineClass(String name,ByteBuffer b,CodeSource cs)Converts aByteBufferinto an instance of classClass, with an optional CodeSource.Methods injava.security with parameters of typeClass Modifier and Type Method Description booleanKeyStoreSpi. engineEntryInstanceOf(String alias,Class<? extendsKeyStore.Entry> entryClass)Determines if the keystoreEntryfor the specifiedaliasis an instance or subclass of the specifiedentryClass.protected abstract <T extendsKeySpec>
TKeyFactorySpi. engineGetKeySpec(Key key,Class<T> keySpec)Returns a specification (key material) of the given key object.protected abstract <T extendsAlgorithmParameterSpec>
TAlgorithmParametersSpi. engineGetParameterSpec(Class<T> paramSpec)Returns a (transparent) specification of this parameters object.booleanKeyStore. entryInstanceOf(String alias,Class<? extendsKeyStore.Entry> entryClass)Determines if the keystoreEntryfor the specifiedaliasis an instance or subclass of the specifiedentryClass.<T extendsKeySpec>
TKeyFactory. getKeySpec(Key key,Class<T> keySpec)Returns a specification (key material) of the given key object.<T extendsAlgorithmParameterSpec>
TAlgorithmParameters. getParameterSpec(Class<T> paramSpec)Returns a (transparent) specification of this parameter object.Uses ofClass injava.sql
Methods injava.sql that return types with arguments of typeClass Modifier and Type Method Description Map<String,Class<?>>Connection. getTypeMap()Retrieves theMapobject associated with thisConnectionobject.Methods injava.sql with parameters of typeClass Modifier and Type Method Description <T> TCallableStatement. getObject(int parameterIndex,Class<T> type)Returns an object representing the value of OUT parameterparameterIndexand will convert from the SQL type of the parameter to the requested Java data type, if the conversion is supported.<T> TCallableStatement. getObject(String parameterName,Class<T> type)Returns an object representing the value of OUT parameterparameterNameand will convert from the SQL type of the parameter to the requested Java data type, if the conversion is supported.<T> TResultSet. getObject(int columnIndex,Class<T> type)Retrieves the value of the designated column in the current row of thisResultSetobject and will convert from the SQL type of the column to the requested Java data type, if the conversion is supported.<T> TResultSet. getObject(String columnLabel,Class<T> type)Retrieves the value of the designated column in the current row of thisResultSetobject and will convert from the SQL type of the column to the requested Java data type, if the conversion is supported.<T extendsSource>
TSQLXML. getSource(Class<T> sourceClass)Returns a Source for reading the XML value designated by this SQLXML instance.booleanWrapper. isWrapperFor(Class<?> iface)Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.default <T> TSQLInput. readObject(Class<T> type)Reads the next attribute in the stream and returns it as anObjectin the Java programming language.<T extendsResult>
TSQLXML. setResult(Class<T> resultClass)Returns a Result for setting the XML value designated by this SQLXML instance.<T> TWrapper. unwrap(Class<T> iface)Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.Method parameters injava.sql with type arguments of typeClass Modifier and Type Method Description ObjectArray. getArray(long index, int count,Map<String,Class<?>> map)Retrieves a slice of the SQLARRAYvalue designated by thisArrayobject, beginning with the specifiedindexand containing up tocountsuccessive elements of the SQL array.ObjectArray. getArray(Map<String,Class<?>> map)Retrieves the contents of the SQLARRAYvalue designated by thisArrayobject.Object[]Struct. getAttributes(Map<String,Class<?>> map)Produces the ordered values of the attributes of the SQL structured type that thisStructobject represents.ObjectCallableStatement. getObject(int parameterIndex,Map<String,Class<?>> map)Returns an object representing the value of OUT parameterparameterIndexand usesmapfor the custom mapping of the parameter value.ObjectCallableStatement. getObject(String parameterName,Map<String,Class<?>> map)Returns an object representing the value of OUT parameterparameterNameand usesmapfor the custom mapping of the parameter value.ObjectRef. getObject(Map<String,Class<?>> map)Retrieves the referenced object and maps it to a Java type using the given type map.ObjectResultSet. getObject(int columnIndex,Map<String,Class<?>> map)Retrieves the value of the designated column in the current row of thisResultSetobject as anObjectin the Java programming language.ObjectResultSet. getObject(String columnLabel,Map<String,Class<?>> map)Retrieves the value of the designated column in the current row of thisResultSetobject as anObjectin the Java programming language.ResultSetArray. getResultSet(long index, int count,Map<String,Class<?>> map)Retrieves a result set holding the elements of the subarray that starts at indexindexand contains up tocountsuccessive elements.ResultSetArray. getResultSet(Map<String,Class<?>> map)Retrieves a result set that contains the elements of the SQLARRAYvalue designated by thisArrayobject.voidConnection. setTypeMap(Map<String,Class<?>> map)Installs the givenTypeMapobject as the type map for thisConnectionobject.Uses ofClass injava.util
Methods injava.util that returnClass Modifier and Type Method Description Class<?>IllegalFormatConversionException. getArgumentClass()Returns the class of the mismatched argument.Class<? extendsS>ServiceLoader.Provider. type()Returns the provider type.Methods injava.util with parameters of typeClass Modifier and Type Method Description static <E extendsEnum<E>>
EnumSet<E>EnumSet. allOf(Class<E> elementType)Creates an enum set containing all of the elements in the specified element type.static <E> Collection<E>Collections. checkedCollection(Collection<E> c,Class<E> type)Returns a dynamically typesafe view of the specified collection.static <E> List<E>Collections. checkedList(List<E> list,Class<E> type)Returns a dynamically typesafe view of the specified list.static <K,V>
Map<K,V>Collections. checkedMap(Map<K,V> m,Class<K> keyType,Class<V> valueType)Returns a dynamically typesafe view of the specified map.static <K,V>
NavigableMap<K,V>Collections. checkedNavigableMap(NavigableMap<K,V> m,Class<K> keyType,Class<V> valueType)Returns a dynamically typesafe view of the specified navigable map.static <E> NavigableSet<E>Collections. checkedNavigableSet(NavigableSet<E> s,Class<E> type)Returns a dynamically typesafe view of the specified navigable set.static <E> Queue<E>Collections. checkedQueue(Queue<E> queue,Class<E> type)Returns a dynamically typesafe view of the specified queue.static <E> Set<E>Collections. checkedSet(Set<E> s,Class<E> type)Returns a dynamically typesafe view of the specified set.static <K,V>
SortedMap<K,V>Collections. checkedSortedMap(SortedMap<K,V> m,Class<K> keyType,Class<V> valueType)Returns a dynamically typesafe view of the specified sorted map.static <E> SortedSet<E>Collections. checkedSortedSet(SortedSet<E> s,Class<E> type)Returns a dynamically typesafe view of the specified sorted set.static <T,U>
T[]Arrays. copyOf(U[] original, int newLength,Class<? extends T[]> newType)Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.static <T,U>
T[]Arrays. copyOfRange(U[] original, int from, int to,Class<? extends T[]> newType)Copies the specified range of the specified array into a new array.static <S> ServiceLoader<S>ServiceLoader. load(Class<S> service)Creates a new service loader for the given service type, using the current thread'scontext class loader.static <S> ServiceLoader<S>ServiceLoader. load(Class<S> service,ClassLoader loader)Creates a new service loader for the given service.static <S> ServiceLoader<S>ServiceLoader. load(ModuleLayer layer,Class<S> service)Creates a new service loader for the given service type to load service providers from modules in the given module layer and its ancestors.static <S> ServiceLoader<S>ServiceLoader. loadInstalled(Class<S> service)Creates a new service loader for the given service type, using theplatform class loader.static <E extendsEnum<E>>
EnumSet<E>EnumSet. noneOf(Class<E> elementType)Creates an empty enum set with the specified element type.Constructors injava.util with parameters of typeClass Constructor Description EnumMap(Class<K> keyType)Creates an empty enum map with the specified key type.IllegalFormatConversionException(char c,Class<?> arg)Constructs an instance of this class with the mismatched conversion and the corresponding argument class.Uses ofClass injava.util.concurrent.atomic
Methods injava.util.concurrent.atomic with parameters of typeClass Modifier and Type Method Description static <U> AtomicIntegerFieldUpdater<U>AtomicIntegerFieldUpdater. newUpdater(Class<U> tclass,String fieldName)Creates and returns an updater for objects with the given field.static <U> AtomicLongFieldUpdater<U>AtomicLongFieldUpdater. newUpdater(Class<U> tclass,String fieldName)Creates and returns an updater for objects with the given field.static <U,W>
AtomicReferenceFieldUpdater<U,W>AtomicReferenceFieldUpdater. newUpdater(Class<U> tclass,Class<W> vclass,String fieldName)Creates and returns an updater for objects with the given field.Uses ofClass injava.util.prefs
Methods injava.util.prefs with parameters of typeClass Modifier and Type Method Description staticPreferencesPreferences. systemNodeForPackage(Class<?> c)Returns the preference node from the system preference tree that is associated (by convention) with the specified class's package.staticPreferencesPreferences. userNodeForPackage(Class<?> c)Returns the preference node from the calling user's preference tree that is associated (by convention) with the specified class's package.Uses ofClass injavax.annotation.processing
Methods injavax.annotation.processing with parameters of typeClass Modifier and Type Method Description Set<? extendsElement>RoundEnvironment. getElementsAnnotatedWith(Class<? extendsAnnotation> a)Returns the elements annotated with the given annotation type.Method parameters injavax.annotation.processing with type arguments of typeClass Modifier and Type Method Description defaultSet<? extendsElement>RoundEnvironment. getElementsAnnotatedWithAny(Set<Class<? extendsAnnotation>> annotations)Returns the elements annotated with one or more of the given annotation types.Uses ofClass injavax.crypto
Methods injavax.crypto with parameters of typeClass Modifier and Type Method Description protected abstractKeySpecSecretKeyFactorySpi. engineGetKeySpec(SecretKey key,Class<?> keySpec)Returns a specification (key material) of the given key object in the requested format.KeySpecSecretKeyFactory. getKeySpec(SecretKey key,Class<?> keySpec)Returns a specification (key material) of the given key object in the requested format.Uses ofClass injavax.imageio.metadata
Methods injavax.imageio.metadata that returnClass Modifier and Type Method Description Class<?>IIOMetadataFormat. getObjectClass(String elementName)Returns theClasstype of theObjectreference stored within the element.Methods injavax.imageio.metadata with parameters of typeClass Modifier and Type Method Description protected voidIIOMetadataFormatImpl. addObjectValue(String elementName,Class<?> classType, int arrayMinLength, int arrayMaxLength)Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T> voidIIOMetadataFormatImpl. addObjectValue(String elementName,Class<T> classType, boolean required, T defaultValue)Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T> voidIIOMetadataFormatImpl. addObjectValue(String elementName,Class<T> classType, boolean required, T defaultValue,List<? extends T> enumeratedValues)Allows anObjectreference of a given class type to be stored in nodes implementing the named element.protected <T extendsObject &Comparable<? super T>>
voidIIOMetadataFormatImpl. addObjectValue(String elementName,Class<T> classType, T defaultValue,Comparable<? super T> minValue,Comparable<? super T> maxValue, boolean minInclusive, boolean maxInclusive)Allows anObjectreference of a given class type to be stored in nodes implementing the named element.Uses ofClass injavax.imageio.spi
Fields injavax.imageio.spi declared asClass Modifier and Type Field Description protectedClass<?>ImageInputStreamSpi. inputClassAClassobject indicating the legal object type for use by thecreateInputStreamInstancemethod.protectedClass<?>[]ImageReaderSpi. inputTypesAn array ofClassobjects to be returned fromgetInputTypes, initiallynull.protectedClass<?>ImageOutputStreamSpi. outputClassAClassobject indicating the legal object type for use by thecreateInputStreamInstancemethod.protectedClass<?>[]ImageWriterSpi. outputTypesAn array ofClassobjects to be returned fromgetOutputTypes, initiallynull.staticClass<?>[]ImageReaderSpi. STANDARD_INPUT_TYPEDeprecated.Instead of using this field, directly create the equivalent array{ ImageInputStream.class }.staticClass<?>[]ImageWriterSpi. STANDARD_OUTPUT_TYPEDeprecated.Instead of using this field, directly create the equivalent array{ ImageOutputStream.class }.Methods injavax.imageio.spi that returnClass Modifier and Type Method Description Class<?>ImageInputStreamSpi. getInputClass()Returns aClassobject representing the class or interface type that must be implemented by an input source in order to be "wrapped" in anImageInputStreamvia thecreateInputStreamInstancemethod.Class<?>[]ImageReaderSpi. getInputTypes()Returns an array ofClassobjects indicating what types of objects may be used as arguments to the reader'ssetInputmethod.Class<?>ImageOutputStreamSpi. getOutputClass()Returns aClassobject representing the class or interface type that must be implemented by an output destination in order to be "wrapped" in anImageOutputStreamvia thecreateOutputStreamInstancemethod.Class<?>[]ImageWriterSpi. getOutputTypes()Returns an array ofClassobjects indicating what types of objects may be used as arguments to the writer'ssetOutputmethod.Methods injavax.imageio.spi that return types with arguments of typeClass Modifier and Type Method Description Iterator<Class<?>>ServiceRegistry. getCategories()Returns anIteratorofClassobjects indicating the current set of categories.Methods injavax.imageio.spi with parameters of typeClass Modifier and Type Method Description voidServiceRegistry. deregisterAll(Class<?> category)Deregisters all service provider object currently registered under the given category.<T> booleanServiceRegistry. deregisterServiceProvider(T provider,Class<T> category)Removes a service provider object from the given category.<T> TServiceRegistry. getServiceProviderByClass(Class<T> providerClass)Returns the currently registered service provider object that is of the given class type.<T> Iterator<T>ServiceRegistry. getServiceProviders(Class<T> category, boolean useOrdering)Returns anIteratorcontaining all registered service providers in the given category.<T> Iterator<T>ServiceRegistry. getServiceProviders(Class<T> category,ServiceRegistry.Filter filter, boolean useOrdering)Returns anIteratorcontaining service provider objects within a given category that satisfy a criterion imposed by the suppliedServiceRegistry.Filterobject'sfiltermethod.static <T> Iterator<T>ServiceRegistry. lookupProviders(Class<T> providerClass)Locates and incrementally instantiates the available providers of a given service using the context class loader.static <T> Iterator<T>ServiceRegistry. lookupProviders(Class<T> providerClass,ClassLoader loader)Searches for implementations of a particular service class using the given class loader.voidIIOServiceProvider. onDeregistration(ServiceRegistry registry,Class<?> category)A callback that will be whenever the Spi class has been deregistered from aServiceRegistry.voidRegisterableService. onDeregistration(ServiceRegistry registry,Class<?> category)Called when an object implementing this interface is removed from the givencategoryof the givenregistry.voidIIOServiceProvider. onRegistration(ServiceRegistry registry,Class<?> category)A callback that will be called exactly once after the Spi class has been instantiated and registered in aServiceRegistry.voidRegisterableService. onRegistration(ServiceRegistry registry,Class<?> category)Called when an object implementing this interface is added to the givencategoryof the givenregistry.<T> booleanServiceRegistry. registerServiceProvider(T provider,Class<T> category)Adds a service provider object to the registry.<T> booleanServiceRegistry. setOrdering(Class<T> category, T firstProvider, T secondProvider)Sets a pairwise ordering between two service provider objects within a given category.<T> booleanServiceRegistry. unsetOrdering(Class<T> category, T firstProvider, T secondProvider)Sets a pairwise ordering between two service provider objects within a given category.Constructors injavax.imageio.spi with parameters of typeClass Constructor Description ImageInputStreamSpi(String vendorName,String version,Class<?> inputClass)Constructs anImageInputStreamSpiwith a given set of values.ImageOutputStreamSpi(String vendorName,String version,Class<?> outputClass)Constructs anImageOutputStreamSpiwith a given set of values.ImageReaderSpi(String vendorName,String version,String[] names,String[] suffixes,String[] MIMETypes,String readerClassName,Class<?>[] inputTypes,String[] writerSpiNames, boolean supportsStandardStreamMetadataFormat,String nativeStreamMetadataFormatName,String nativeStreamMetadataFormatClassName,String[] extraStreamMetadataFormatNames,String[] extraStreamMetadataFormatClassNames, boolean supportsStandardImageMetadataFormat,String nativeImageMetadataFormatName,String nativeImageMetadataFormatClassName,String[] extraImageMetadataFormatNames,String[] extraImageMetadataFormatClassNames)Constructs anImageReaderSpiwith a given set of values.ImageWriterSpi(String vendorName,String version,String[] names,String[] suffixes,String[] MIMETypes,String writerClassName,Class<?>[] outputTypes,String[] readerSpiNames, boolean supportsStandardStreamMetadataFormat,String nativeStreamMetadataFormatName,String nativeStreamMetadataFormatClassName,String[] extraStreamMetadataFormatNames,String[] extraStreamMetadataFormatClassNames, boolean supportsStandardImageMetadataFormat,String nativeImageMetadataFormatName,String nativeImageMetadataFormatClassName,String[] extraImageMetadataFormatNames,String[] extraImageMetadataFormatClassNames)Constructs anImageWriterSpiwith a given set of values.Constructor parameters injavax.imageio.spi with type arguments of typeClass Constructor Description ServiceRegistry(Iterator<Class<?>> categories)Constructs aServiceRegistryinstance with a set of categories taken from thecategoriesargument.Uses ofClass injavax.lang.model
Methods injavax.lang.model with parameters of typeClass Modifier and Type Method Description <A extendsAnnotation>
AAnnotatedConstruct. getAnnotation(Class<A> annotationType)Returns this construct's annotation of the specified type if such an annotation ispresent, elsenull.<A extendsAnnotation>
A[]AnnotatedConstruct. getAnnotationsByType(Class<A> annotationType)Returns annotations that areassociated with this construct.Uses ofClass injavax.lang.model.element
Methods injavax.lang.model.element with parameters of typeClass Modifier and Type Method Description <A extendsAnnotation>
AElement. getAnnotation(Class<A> annotationType)Returns this construct's annotation of the specified type if such an annotation ispresent, elsenull.Uses ofClass injavax.management
Methods injavax.management that returnClass Modifier and Type Method Description Class<?>StandardMBean. getImplementationClass()Get the class of the implementation of this Standard MBean (or MXBean).Class<?>StandardMBean. getMBeanInterface()Get the Management Interface of this Standard MBean (or MXBean).staticClass<?>DefaultLoaderRepository. loadClass(String className)Deprecated.Go through the list of class loaders and try to load the requested class.staticClass<?>DefaultLoaderRepository. loadClassWithout(ClassLoader loader,String className)Deprecated.Go through the list of class loaders but exclude the given class loader, then try to load the requested class.Methods injavax.management with parameters of typeClass Modifier and Type Method Description static booleanJMX. isMXBeanInterface(Class<?> interfaceClass)Test whether an interface is an MXBean interface.static <T> TJMX. newMBeanProxy(MBeanServerConnection connection,ObjectName objectName,Class<T> interfaceClass)Make a proxy for a Standard MBean in a local or remote MBean Server.static <T> TJMX. newMBeanProxy(MBeanServerConnection connection,ObjectName objectName,Class<T> interfaceClass, boolean notificationEmitter)Make a proxy for a Standard MBean in a local or remote MBean Server that may also support the methods ofNotificationEmitter.static <T> TJMX. newMXBeanProxy(MBeanServerConnection connection,ObjectName objectName,Class<T> interfaceClass)Make a proxy for an MXBean in a local or remote MBean Server.static <T> TJMX. newMXBeanProxy(MBeanServerConnection connection,ObjectName objectName,Class<T> interfaceClass, boolean notificationEmitter)Make a proxy for an MXBean in a local or remote MBean Server that may also support the methods ofNotificationEmitter.static <T> TMBeanServerInvocationHandler. newProxyInstance(MBeanServerConnection connection,ObjectName objectName,Class<T> interfaceClass, boolean notificationBroadcaster)Return a proxy that implements the given interface by forwarding its methods through the given MBean server to the named MBean.Constructors injavax.management with parameters of typeClass Constructor Description StandardEmitterMBean(Class<?> mbeanInterface, boolean isMXBean,NotificationEmitter emitter)Make an MBean whose management interface is specified bymbeanInterface, and where notifications are handled by the givenNotificationEmitter.StandardEmitterMBean(Class<?> mbeanInterface,NotificationEmitter emitter)Make an MBean whose management interface is specified bymbeanInterface, and where notifications are handled by the givenNotificationEmitter.StandardEmitterMBean(T implementation,Class<T> mbeanInterface, boolean isMXBean,NotificationEmitter emitter)Make an MBean whose management interface is specified bymbeanInterface, with the given implementation and where notifications are handled by the givenNotificationEmitter.StandardEmitterMBean(T implementation,Class<T> mbeanInterface,NotificationEmitter emitter)Make an MBean whose management interface is specified bymbeanInterface, with the given implementation and where notifications are handled by the givenNotificationEmitter.StandardMBean(Class<?> mbeanInterface)Make a DynamicMBean out ofthis, using the specifiedmbeanInterface class.StandardMBean(Class<?> mbeanInterface, boolean isMXBean)Make a DynamicMBean out ofthis, using the specifiedmbeanInterface class, and choosing whether the resulting MBean is an MXBean.StandardMBean(T implementation,Class<T> mbeanInterface)Make a DynamicMBean out of the objectimplementation, using the specifiedmbeanInterface class.StandardMBean(T implementation,Class<T> mbeanInterface, boolean isMXBean)Make a DynamicMBean out of the objectimplementation, using the specifiedmbeanInterface class, and choosing whether the resultant MBean is an MXBean.Uses ofClass injavax.management.loading
Methods injavax.management.loading that returnClass Modifier and Type Method Description protectedClass<?>MLet. findClass(String name)This is the main method for class loaders that is being redefined.Class<?>ClassLoaderRepository. loadClass(String className)Load the given class name through the list of class loaders.staticClass<?>DefaultLoaderRepository. loadClass(String className)Deprecated.Go through the list of class loaders and try to load the requested class.Class<?>MLet. loadClass(String name,ClassLoaderRepository clr)Load a class, using the givenClassLoaderRepositoryif the class is not found in this MLet's URLs.Class<?>ClassLoaderRepository. loadClassBefore(ClassLoader stop,String className)Load the given class name through the list of class loaders, stopping at the given one.Class<?>ClassLoaderRepository. loadClassWithout(ClassLoader exclude,String className)Load the given class name through the list of class loaders, excluding the given one.staticClass<?>DefaultLoaderRepository. loadClassWithout(ClassLoader loader,String className)Deprecated.Go through the list of class loaders but exclude the given class loader, then try to load the requested class.Uses ofClass injavax.management.openmbean
Methods injavax.management.openmbean with parameters of typeClass Modifier and Type Method Description static <T> ArrayType<T>ArrayType. getPrimitiveArrayType(Class<T> arrayClass)Create anArrayTypeinstance in a type-safe manner.Uses ofClass injavax.naming.spi
Methods injavax.naming.spi with parameters of typeClass Modifier and Type Method Description ResolveResultResolver. resolveToClass(String name,Class<? extendsContext> contextType)Partially resolves a name.ResolveResultResolver. resolveToClass(Name name,Class<? extendsContext> contextType)Partially resolves a name.Uses ofClass injavax.print
Methods injavax.print that returnClass Modifier and Type Method Description Class<?>[]PrintService. getSupportedAttributeCategories()Determines the printing attribute categories a client can specify when setting up a job for this print service.Class<?>[]AttributeException. getUnsupportedAttributes()Returns the array of printing attribute classes for which the Print Service instance does not support the attribute at all, ornullif there are no such attributes.Methods injavax.print with parameters of typeClass Modifier and Type Method Description <T extendsPrintServiceAttribute>
TPrintService. getAttribute(Class<T> category)Gets the value of the single specified service attribute.ObjectPrintService. getDefaultAttributeValue(Class<? extendsAttribute> category)Determines this print service's default printing attribute value in the given category.ObjectPrintService. getSupportedAttributeValues(Class<? extendsAttribute> category,DocFlavor flavor,AttributeSet attributes)Determines the printing attribute values a client can specify in the given category when setting up a job for this print service.booleanPrintService. isAttributeCategorySupported(Class<? extendsAttribute> category)Determines whether a client can specify the given printing attribute category when setting up a job for this print service.Uses ofClass injavax.print.attribute
Methods injavax.print.attribute that returnClass Modifier and Type Method Description Class<? extendsAttribute>Attribute. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value when it is added to an attribute set.staticClass<?>AttributeSetUtilities. verifyAttributeCategory(Object object,Class<?> interfaceName)Methods injavax.print.attribute with parameters of typeClass Modifier and Type Method Description booleanAttributeSet. containsKey(Class<?> category)Returnstrueif this attribute set contains an attribute for the specified category.booleanHashAttributeSet. containsKey(Class<?> category)Returnstrueif this attribute set contains an attribute for the specified category.AttributeAttributeSet. get(Class<?> category)Returns the attribute value which this attribute set contains in the given attribute category.AttributeHashAttributeSet. get(Class<?> category)Returns the attribute value which this attribute set contains in the given attribute category.booleanAttributeSet. remove(Class<?> category)Removes any attribute for this category from this attribute set if present.booleanHashAttributeSet. remove(Class<?> category)Removes any attribute for this category from this attribute set if present.staticClass<?>AttributeSetUtilities. verifyAttributeCategory(Object object,Class<?> interfaceName)staticAttributeAttributeSetUtilities. verifyAttributeValue(Object object,Class<?> interfaceName)Verify that the given object is an instance of the given interface, which is assumed to be interfaceAttributeor a subinterface thereof.static voidAttributeSetUtilities. verifyCategoryForValue(Class<?> category,Attribute attribute)Verify that the given attribute category object is equal to the category of the given attribute value object.Constructors injavax.print.attribute with parameters of typeClass Constructor Description HashAttributeSet(Class<?> interfaceName)Construct a new, empty attribute set, where the members of the attribute set are restricted to the given interface.HashAttributeSet(Attribute[] attributes,Class<?> interfaceName)Construct a new attribute set, where the members of the attribute set are restricted to the given interface.HashAttributeSet(Attribute attribute,Class<?> interfaceName)Construct a new attribute set, initially populated with the given attribute, where the members of the attribute set are restricted to the given interface.HashAttributeSet(AttributeSet attributes,Class<?> interfaceName)Construct a new attribute set, initially populated with the values from the given set where the members of the attribute set are restricted to the given interface.Uses ofClass injavax.print.attribute.standard
Methods injavax.print.attribute.standard that returnClass Modifier and Type Method Description Class<? extendsAttribute>Chromaticity. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>ColorSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Compression. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Copies. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>CopiesSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DateTimeAtCompleted. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DateTimeAtCreation. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DateTimeAtProcessing. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Destination. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DialogOwner. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DialogTypeSelection. getCategory()Gets the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>DocumentName. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Fidelity. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Finishings. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobHoldUntil. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobImpressions. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobImpressionsCompleted. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobImpressionsSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobKOctets. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobKOctetsProcessed. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobKOctetsSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobMediaSheets. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobMediaSheetsCompleted. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobMediaSheetsSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobMessageFromOperator. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobName. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobOriginatingUserName. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobPriority. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobPrioritySupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobSheets. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobState. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobStateReason. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>JobStateReasons. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Media. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>MediaPrintableArea. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>MediaSize. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>MultipleDocumentHandling. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>NumberOfDocuments. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>NumberOfInterveningJobs. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>NumberUp. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>NumberUpSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>OrientationRequested. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>OutputDeviceAssigned. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PageRanges. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PagesPerMinute. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PagesPerMinuteColor. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PDLOverrideSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PresentationDirection. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterInfo. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterIsAcceptingJobs. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterLocation. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterMakeAndModel. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterMessageFromOperator. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterMoreInfo. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterMoreInfoManufacturer. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterName. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterResolution. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterState. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterStateReason. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterStateReasons. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrinterURI. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>PrintQuality. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>QueuedJobCount. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>ReferenceUriSchemesSupported. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>RequestingUserName. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Severity. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>SheetCollate. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Class<? extendsAttribute>Sides. getCategory()Get the printing attribute class which is to be used as the "category" for this printing attribute value.Uses ofClass injavax.script
Methods injavax.script with parameters of typeClass Modifier and Type Method Description <T> TInvocable. getInterface(Class<T> clasz)Returns an implementation of an interface using functions compiled in the interpreter.<T> TInvocable. getInterface(Object thiz,Class<T> clasz)Returns an implementation of an interface using member functions of a scripting object compiled in the interpreter.Uses ofClass injavax.security.auth
Methods injavax.security.auth with parameters of typeClass Modifier and Type Method Description <T extendsPrincipal>
Set<T>Subject. getPrincipals(Class<T> c)Return aSetof Principals associated with thisSubjectthat are instances or subclasses of the specifiedClass.<T> Set<T>Subject. getPrivateCredentials(Class<T> c)Return aSetof private credentials associated with thisSubjectthat are instances or subclasses of the specifiedClass.<T> Set<T>Subject. getPublicCredentials(Class<T> c)Return aSetof public credentials associated with thisSubjectthat are instances or subclasses of the specifiedClass.Uses ofClass injavax.sound.midi
Methods injavax.sound.midi that returnClass Modifier and Type Method Description Class<?>SoundbankResource. getDataClass()Obtains the class used by this sample to represent its data.Constructors injavax.sound.midi with parameters of typeClass Constructor Description Instrument(Soundbank soundbank,Patch patch,String name,Class<?> dataClass)Constructs a new MIDI instrument from the specifiedPatch.SoundbankResource(Soundbank soundBank,String name,Class<?> dataClass)Constructs a newSoundbankResourcefrom the given sound bank and wavetable index.Uses ofClass injavax.sound.sampled
Methods injavax.sound.sampled that returnClass Modifier and Type Method Description Class<?>Line.Info. getLineClass()Obtains the class of the line that thisLine.Infoobject describes.Constructors injavax.sound.sampled with parameters of typeClass Constructor Description Info(Class<?> lineClass,AudioFormat format)Constructs a data line's info object from the specified information, which includes a single audio format.Info(Class<?> lineClass,AudioFormat[] formats, int minBufferSize, int maxBufferSize)Constructs a data line's info object from the specified information, which includes a set of supported audio formats and a range for the buffer size.Info(Class<?> lineClass,AudioFormat format, int bufferSize)Constructs a data line's info object from the specified information, which includes a single audio format and a desired buffer size.Info(Class<?> lineClass)Constructs an info object that describes a line of the specified class.Info(Class<?> lineClass,String name, boolean isSource)Constructs a port's info object from the information given.Uses ofClass injavax.sql
Methods injavax.sql that return types with arguments of typeClass Modifier and Type Method Description Map<String,Class<?>>RowSet. getTypeMap()Retrieves theMapobject associated with thisRowSetobject, which specifies the custom mapping of SQL user-defined types, if any.Method parameters injavax.sql with type arguments of typeClass Modifier and Type Method Description voidRowSet. setTypeMap(Map<String,Class<?>> map)Installs the givenjava.util.Mapobject as the default type map for thisRowSetobject.Uses ofClass injavax.sql.rowset
Methods injavax.sql.rowset that return types with arguments of typeClass Modifier and Type Method Description Map<String,Class<?>>BaseRowSet. getTypeMap()Retrieves the type map associated with theConnectionobject for thisRowSetobject.Methods injavax.sql.rowset with parameters of typeClass Modifier and Type Method Description booleanRowSetMetaDataImpl. isWrapperFor(Class<?> interfaces)Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.<T> TRowSetMetaDataImpl. unwrap(Class<T> iface)Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.Method parameters injavax.sql.rowset with type arguments of typeClass Modifier and Type Method Description voidBaseRowSet. setTypeMap(Map<String,Class<?>> map)Installs the givenjava.util.Mapobject as the type map associated with theConnectionobject for thisRowSetobject.Uses ofClass injavax.sql.rowset.serial
Method parameters injavax.sql.rowset.serial with type arguments of typeClass Modifier and Type Method Description ObjectSerialArray. getArray(long index, int count,Map<String,Class<?>> map)Returns a new array that is a copy of a slice of thisSerialArrayobject, starting with the element at the given index and containing the given number of consecutive elements.ObjectSerialArray. getArray(Map<String,Class<?>> map)Returns a new array that is a copy of thisSerialArrayobject, using the given type map for the custom mapping of each element when the elements are SQL UDTs.Object[]SerialStruct. getAttributes(Map<String,Class<?>> map)Retrieves the attributes for the SQL structured type that thisSerialStructrepresents as an array ofObjectvalues, using the given type map for custom mapping if appropriate.ObjectSerialRef. getObject(Map<String,Class<?>> map)Returns anObjectrepresenting the SQL structured type to which thisSerialRefobject refers.ResultSetSerialArray. getResultSet(long index, int count,Map<String,Class<?>> map)Retrieves a result set holding the elements of the subarray that starts at Retrieves aResultSetobject that contains a subarray of the elements in thisSerialArrayobject, starting at indexindex and containing up tocount successive elements.ResultSetSerialArray. getResultSet(Map<String,Class<?>> map)Retrieves aResultSetobject that contains all of the elements of the SQLARRAYvalue represented by thisSerialArrayobject.Constructor parameters injavax.sql.rowset.serial with type arguments of typeClass Constructor Description SerialArray(Array array,Map<String,Class<?>> map)Constructs a newSerialArrayobject from the givenArrayobject, using the given type map for the custom mapping of each element when the elements are SQL UDTs.SerialStruct(SQLData in,Map<String,Class<?>> map)Constructs aSerialStructobject from the givenSQLDataobject, using the given type map to custom map it to a class in the Java programming language.SerialStruct(Struct in,Map<String,Class<?>> map)Constructs aSerialStructobject from the givenStructobject, using the givenjava.util.Mapobject for custom mapping the SQL structured type or any of its attributes that are SQL structured types.SQLInputImpl(Object[] attributes,Map<String,Class<?>> map)Creates anSQLInputImplobject initialized with the given array of attributes and the given type map.Uses ofClass injavax.swing
Methods injavax.swing that returnClass Modifier and Type Method Description Class<?>JTable. getColumnClass(int column)Returns the type of the column appearing in the view at column positioncolumn.Class<? extendsComponentUI>UIDefaults. getUIClass(String uiClassID)Returns the L&F class that renders this component.Class<? extendsComponentUI>UIDefaults. getUIClass(String uiClassID,ClassLoader uiClassLoader)The value ofget(uidClassID)must be theStringname of a class that implements the correspondingComponentUIclass.Methods injavax.swing with parameters of typeClass Modifier and Type Method Description staticContainerSwingUtilities. getAncestorOfClass(Class<?> c,Component comp)Convenience method for searching abovecompin the component hierarchy and returns the first object of classcit finds.TableCellEditorJTable. getDefaultEditor(Class<?> columnClass)Returns the editor to be used when no editor has been set in aTableColumn.TableCellRendererJTable. getDefaultRenderer(Class<?> columnClass)Returns the cell renderer to be used when no renderer has been set in aTableColumn.<T extendsEventListener>
T[]AbstractListModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]AbstractSpinnerModel. getListeners(Class<T> listenerType)Return an array of all the listeners of the given type that were added to this model.<T extendsEventListener>
T[]DefaultBoundedRangeModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]DefaultButtonModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]DefaultListSelectionModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]DefaultSingleSelectionModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]JComponent. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisJComponent.<T extendsEventListener>
T[]Timer. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisTimer.staticObjectLookAndFeel. makeIcon(Class<?> baseClass,String gifFile)Creates and returns aUIDefault.LazyValuethat loads an image.voidJTable. setDefaultEditor(Class<?> columnClass,TableCellEditor editor)Sets a default cell editor to be used if no editor has been set in aTableColumn.voidJTable. setDefaultRenderer(Class<?> columnClass,TableCellRenderer renderer)Sets a default cell renderer to be used if no renderer has been set in aTableColumn.Uses ofClass injavax.swing.event
Methods injavax.swing.event with parameters of typeClass Modifier and Type Method Description <T extendsEventListener>
voidEventListenerList. add(Class<T> t, T l)Adds the listener as a listener of the specified type.intEventListenerList. getListenerCount(Class<?> t)Returns the total number of listeners of the supplied type for this listener list.<T extendsEventListener>
T[]EventListenerList. getListeners(Class<T> t)Return an array of all the listeners of the given type.<T extendsEventListener>
voidEventListenerList. remove(Class<T> t, T l)Removes the listener as a listener of the specified type.Uses ofClass injavax.swing.plaf.synth
Methods injavax.swing.plaf.synth with parameters of typeClass Modifier and Type Method Description voidSynthLookAndFeel. load(InputStream input,Class<?> resourceBase)Loads the set ofSynthStyles that will be used by thisSynthLookAndFeel.Uses ofClass injavax.swing.table
Methods injavax.swing.table that returnClass Modifier and Type Method Description Class<?>AbstractTableModel. getColumnClass(int columnIndex)ReturnsObject.classregardless ofcolumnIndex.Class<?>TableModel. getColumnClass(int columnIndex)Returns the most specific superclass for all the cell values in the column.Methods injavax.swing.table with parameters of typeClass Modifier and Type Method Description <T extendsEventListener>
T[]AbstractTableModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon thisAbstractTableModel.<T extendsEventListener>
T[]DefaultTableColumnModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.Uses ofClass injavax.swing.text
Methods injavax.swing.text that returnClass Modifier and Type Method Description Class<?>DefaultFormatter. getValueClass()Returns that class that is used to create new Objects.Methods injavax.swing.text with parameters of typeClass Modifier and Type Method Description <T extendsEventListener>
T[]AbstractDocument. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this document.<T extendsEventListener>
T[]DefaultCaret. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this caret.<T extendsEventListener>
T[]StyleContext.NamedStyle. getListeners(Class<T> listenerType)Return an array of all the listeners of the given type that were added to this model.voidDefaultFormatter. setValueClass(Class<?> valueClass)Sets that class that is used to create new Objects.Uses ofClass injavax.swing.tree
Methods injavax.swing.tree with parameters of typeClass Modifier and Type Method Description <T extendsEventListener>
T[]DefaultTreeModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.<T extendsEventListener>
T[]DefaultTreeSelectionModel. getListeners(Class<T> listenerType)Returns an array of all the objects currently registered asFooListeners upon this model.Uses ofClass injavax.tools
Methods injavax.tools with parameters of typeClass Modifier and Type Method Description <S> ServiceLoader<S>ForwardingJavaFileManager. getServiceLoader(JavaFileManager.Location location,Class<S> service)default <S> ServiceLoader<S>JavaFileManager. getServiceLoader(JavaFileManager.Location location,Class<S> service)Get a service loader for a specific service class from a given location.DocumentationTool.DocumentationTaskDocumentationTool. getTask(Writer out,JavaFileManager fileManager,DiagnosticListener<? superJavaFileObject> diagnosticListener,Class<?> docletClass,Iterable<String> options,Iterable<? extendsJavaFileObject> compilationUnits)Creates a future for a documentation task with the given components and arguments.Uses ofClass injavax.xml.xpath
Methods injavax.xml.xpath with parameters of typeClass Modifier and Type Method Description default <T> TXPath. evaluateExpression(String expression,Object item,Class<T> type)Evaluate an XPath expression in the specified context and return the result with the type specified through theclass typedefault <T> TXPath. evaluateExpression(String expression,InputSource source,Class<T> type)Evaluate an XPath expression in the context of the specifiedsourceand return the result as specified.default <T> TXPathExpression. evaluateExpression(Object item,Class<T> type)Evaluate the compiled XPath expression in the specified context, and return the result with the type specified through theclass type.default <T> TXPathExpression. evaluateExpression(InputSource source,Class<T> type)Evaluate the compiled XPath expression in the specified context, and return the result with the type specified through theclass typestaticQNameXPathEvaluationResult.XPathResultType. getQNameType(Class<?> clsType)Returns the QName type as specified inXPathConstantsthat corresponds to the specified class type.Uses ofClass injdk.dynalink.beans
Methods injdk.dynalink.beans that returnClass Modifier and Type Method Description Class<?>StaticClass. getRepresentedClass()Returns the represented Java class.Methods injdk.dynalink.beans with parameters of typeClass Modifier and Type Method Description staticStaticClassStaticClass. forClass(Class<?> clazz)Retrieves theStaticClassinstance for the specified class.staticObjectBeansLinker. getConstructorMethod(Class<?> clazz,String signature)Return the dynamic method of constructor of the given class and the given signature.staticSet<String>BeansLinker. getInstanceMethodNames(Class<?> clazz)Returns a set of names of all instance methods of a class.TypeBasedGuardingDynamicLinkerBeansLinker. getLinkerForClass(Class<?> clazz)Returns a bean linker for a particular single class.staticSet<String>BeansLinker. getReadableInstancePropertyNames(Class<?> clazz)Returns a set of names of all readable instance properties of a class.staticSet<String>BeansLinker. getReadableStaticPropertyNames(Class<?> clazz)Returns a set of names of all readable static properties of a class.staticSet<String>BeansLinker. getStaticMethodNames(Class<?> clazz)Returns a set of names of all static methods of a class.staticSet<String>BeansLinker. getWritableInstancePropertyNames(Class<?> clazz)Returns a set of names of all writable instance properties of a class.staticSet<String>BeansLinker. getWritableStaticPropertyNames(Class<?> clazz)Returns a set of names of all writable static properties of a class.Uses ofClass injdk.dynalink.linker
Methods injdk.dynalink.linker that returnClass Modifier and Type Method Description Class<? extendsThrowable>GuardedInvocation. getException()Returns the exception type that if thrown by the invocation should invalidate the linkage of this guarded invocation.Methods injdk.dynalink.linker with parameters of typeClass Modifier and Type Method Description booleanLinkerServices. canConvert(Class<?> from,Class<?> to)Returns true if there might exist a conversion between the requested types (either an automatic JVM conversion, or one provided by any availableGuardingTypeConverterFactory), or false if there definitely does not exist a conversion between the requested types.booleanTypeBasedGuardingDynamicLinker. canLinkType(Class<?> type)Returns true if the linker can link an invocation where the first argument (receiver) is of the specified type.ConversionComparator.ComparisonConversionComparator. compareConversion(Class<?> sourceType,Class<?> targetType1,Class<?> targetType2)Determines which of the two target types is the preferred conversion target from a source type.ConversionComparator.ComparisonLinkerServices. compareConversion(Class<?> sourceType,Class<?> targetType1,Class<?> targetType2)Determines which of the two type conversions from a source type to the two target types is preferred.GuardedInvocationGuardingTypeConverterFactory. convertToType(Class<?> sourceType,Class<?> targetType,Supplier<MethodHandles.Lookup> lookupSupplier)Returns a guarded type conversion that receives a value of the specified source type and returns a value converted to the specified target type.GuardedInvocationGuardedInvocation. dropArguments(int pos,Class<?>... valueTypes)Makes an invocation that drops arguments in both the invocation and the guard (if it exists and has at leastposparameters) withMethodHandles.dropArguments(MethodHandle, int, Class...).MethodHandleLinkerServices. getTypeConverter(Class<?> sourceType,Class<?> targetType)Given a source and target type, returns a method handle that converts between them.Method parameters injdk.dynalink.linker with type arguments of typeClass Modifier and Type Method Description GuardedInvocationGuardedInvocation. dropArguments(int pos,List<Class<?>> valueTypes)Makes an invocation that drops arguments in both the invocation and the guard (if it exists and has at leastposparameters) withMethodHandles.dropArguments(MethodHandle, int, List).Constructors injdk.dynalink.linker with parameters of typeClass Constructor Description GuardedInvocation(MethodHandle invocation,MethodHandle guard,SwitchPoint[] switchPoints,Class<? extendsThrowable> exception)Creates a new guarded invocation, with a guard method handle, any number of switch points that can be used to invalidate it, and an exception that if thrown when invoked also invalidates it.GuardedInvocation(MethodHandle invocation,MethodHandle guard,SwitchPoint switchPoint,Class<? extendsThrowable> exception)Creates a new guarded invocation, with a guard method handle, a switch point that can be used to invalidate it, and an exception that if thrown when invoked also invalidates it.Uses ofClass injdk.dynalink.linker.support
Methods injdk.dynalink.linker.support that returnClass Modifier and Type Method Description staticClass<?>TypeUtilities. getPrimitiveType(Class<?> wrapperType)When passed a class representing a wrapper for a primitive type, returns the class representing the corresponding primitive type.staticClass<?>TypeUtilities. getPrimitiveTypeByName(String name)Given a name of a primitive type returns the class representing it.staticClass<?>TypeUtilities. getWrapperType(Class<?> primitiveType)When passed a class representing a primitive type, returns the class representing the corresponding wrapper type.Methods injdk.dynalink.linker.support with parameters of typeClass Modifier and Type Method Description booleanCompositeTypeBasedGuardingDynamicLinker. canLinkType(Class<?> type)Returns true if at least one of the composite linkers returns true fromTypeBasedGuardingDynamicLinker.canLinkType(Class)for the type.MethodHandleLookup. findGetter(Class<?> refc,String name,Class<?> type)Performs aMethodHandles.Lookup.findGetter(Class, String, Class), converting any encounteredIllegalAccessExceptioninto anIllegalAccessErrorandNoSuchFieldExceptioninto aNoSuchFieldError.staticMethodHandleLookup. findOwnSpecial(MethodHandles.Lookup lookup,String name,Class<?> rtype,Class<?>... ptypes)Given a lookup, finds usingLookup.findSpecial(Class, String, MethodType)a method on that lookup's class.MethodHandleLookup. findOwnSpecial(String name,Class<?> rtype,Class<?>... ptypes)Finds usingLookup.findSpecial(Class, String, MethodType)a method on that lookup's class.staticMethodHandleLookup. findOwnStatic(MethodHandles.Lookup lookup,String name,Class<?> rtype,Class<?>... ptypes)Given a lookup, finds usingLookup.findStatic(Class, String, MethodType)a method on that lookup's class.MethodHandleLookup. findOwnStatic(String name,Class<?> rtype,Class<?>... ptypes)Finds usingLookup.findStatic(Class, String, MethodType)a method on that lookup's class.MethodHandleLookup. findSpecial(Class<?> declaringClass,String name,MethodType type)Performs aMethodHandles.Lookup.findSpecial(Class, String, MethodType, Class)on the underlying lookup.MethodHandleLookup. findStatic(Class<?> declaringClass,String name,MethodType type)Performs aMethodHandles.Lookup.findStatic(Class, String, MethodType)on the underlying lookup.MethodHandleLookup. findVirtual(Class<?> declaringClass,String name,MethodType type)Performs aMethodHandles.Lookup.findVirtual(Class, String, MethodType)on the underlying lookup.staticMethodHandleGuards. getClassGuard(Class<?> clazz)Creates a guard method that tests its only argument for being of an exact particular class.staticMethodHandleGuards. getInstanceOfGuard(Class<?> clazz)Creates a guard method that tests its only argument for being an instance of a particular class.staticClass<?>TypeUtilities. getPrimitiveType(Class<?> wrapperType)When passed a class representing a wrapper for a primitive type, returns the class representing the corresponding primitive type.staticClass<?>TypeUtilities. getWrapperType(Class<?> primitiveType)When passed a class representing a primitive type, returns the class representing the corresponding wrapper type.static booleanTypeUtilities. isConvertibleWithoutLoss(Class<?> sourceType,Class<?> targetType)Determines whether a type can be converted to another without losing any precision.staticMethodHandleGuards. isInstance(Class<?> clazz, int pos,MethodType type)Creates a method handle with arguments of a specified type, but with boolean return value.staticMethodHandleGuards. isInstance(Class<?> clazz,MethodType type)Creates a method handle with arguments of a specified type, but with boolean return value.static booleanTypeUtilities. isMethodInvocationConvertible(Class<?> sourceType,Class<?> targetType)Determines whether one type can be converted to another type using a method invocation conversion, as per JLS 5.3 "Method Invocation Conversion".staticMethodHandleGuards. isOfClass(Class<?> clazz,MethodType type)Creates a guard method handle with arguments of a specified type, but with boolean return value.static booleanTypeUtilities. isSubtype(Class<?> subType,Class<?> superType)Determines whether one type is a subtype of another type, as per JLS 4.10 "Subtyping".static booleanTypeUtilities. isWrapperType(Class<?> type)Returns true if the passed type is a wrapper for a primitive type.Uses ofClass injdk.jfr
Methods injdk.jfr with parameters of typeClass Modifier and Type Method Description static voidFlightRecorder. addPeriodicEvent(Class<? extendsEvent> eventClass,Runnable hook)Adds a hook for a periodic event.EventSettingsRecording. disable(Class<? extendsEvent> eventClass)Disables event.EventSettingsRecording. enable(Class<? extendsEvent> eventClass)Enables event.<A> AAnnotationElement. getAnnotation(Class<? extendsAnnotation> annotationType)Returns the first annotation for the specified type if anAnnotationElementwith the same name exists, elsenull.<A extendsAnnotation>
AEventType. getAnnotation(Class<A> annotationClass)Returns the first annotation for the specified type if an annotation element with the same name is directly present, otherwisenull.<A extendsAnnotation>
ASettingDescriptor. getAnnotation(Class<A> annotationType)Returns the first annotation for the specified type if an annotation element with the same name is available,nullotherwise.<A extendsAnnotation>
AValueDescriptor. getAnnotation(Class<A> annotationType)Returns the first annotation for the specified type if an annotation element with the same name is directly present for this value descriptor,nullotherwise.staticEventTypeEventType. getEventType(Class<? extendsEvent> eventClass)Returns the event type for an event class, ornullif it doesn't exist.static voidFlightRecorder. register(Class<? extendsEvent> eventClass)Registers an event class.static voidFlightRecorder. unregister(Class<? extendsEvent> eventClass)Unregisters an event class.Constructors injdk.jfr with parameters of typeClass Constructor Description AnnotationElement(Class<? extendsAnnotation> annotationType)Creates an annotation element to use for dynamically defined events.AnnotationElement(Class<? extendsAnnotation> annotationType,Object value)Creates an annotation element to use for dynamically defined events.AnnotationElement(Class<? extendsAnnotation> annotationType,Map<String,Object> values)Creates an annotation element to use for dynamically defined events.ValueDescriptor(Class<?> type,String name)Constructs a value descriptor, useful for dynamically creating event types and annotations.ValueDescriptor(Class<?> type,String name,List<AnnotationElement> annotations)Constructs a value descriptor, useful for dynamically creating event types and annotations.Uses ofClass injdk.jshell.execution
Methods injdk.jshell.execution that returnClass Modifier and Type Method Description protectedClass<?>DirectExecutionControl. findClass(String name)Finds the class with the specified binary name.Class<?>LoaderDelegate. findClass(String name)Finds the class with the specified binary name.Uses ofClass injdk.nashorn.api.scripting
Methods injdk.nashorn.api.scripting with parameters of typeClass Modifier and Type Method Description staticObjectAbstractJSObject. getDefaultValue(JSObject jsobj,Class<?> hint)Deprecated.useJSObject.getDefaultValue(Class)instead.defaultObjectJSObject. getDefaultValue(Class<?> hint)Deprecated, for removal: This API element is subject to removal in a future version.Implements this object's[[DefaultValue]]method as per ECMAScript 5.1 section 8.6.2.<T> TScriptObjectMirror. to(Class<T> type)Deprecated, for removal: This API element is subject to removal in a future version.Utility to convert this script object to the given type.Uses ofClass injdk.nashorn.api.tree
Methods injdk.nashorn.api.tree that returnClass Modifier and Type Method Description Class<? extendsTree>Tree.Kind. asInterface()Deprecated, for removal: This API element is subject to removal in a future version.Returns the associated interface type that uses this kind.Uses ofClass injdk.net
Methods injdk.net with parameters of typeClass Modifier and Type Method Description staticSet<SocketOption<?>>Sockets. supportedOptions(Class<?> socketType)Returns a set ofSocketOptions supported by the given socket type.