Uses of Package
java.io

• Packages that usejava.io 

  Package	Description
  com.sun.jarsigner	This package comprises the interfaces and classes used to define the signing mechanism used by thejarsigner tool.
  com.sun.javadoc	Note: The declarations in this package have been superseded by thosein the packagejdk.javadoc.doclet.
  com.sun.jdi	This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.
  com.sun.jdi.connect	This package defines connections between the virtual machine using the JDI and the target virtual machine.
  com.sun.jdi.connect.spi	This package comprises the interfaces and classes used to develop newTransportService implementations.
  com.sun.jdi.request	This package is used to request that a JDI event be sent under specified conditions.
  com.sun.management	This package contains the JDK's extension to the standard implementation of thejava.lang.management API and also defines the management interface for some other components of the platform.
  com.sun.net.httpserver	Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
  com.sun.net.httpserver.spi	Provides a pluggable service provider interface, which allows the HTTP server implementation to be replaced with other implementations.
  com.sun.nio.sctp	A Java API for Stream Control Transport Protocol.
  com.sun.security.auth	Provides implementations ofPrincipal.
  com.sun.security.auth.callback	Provides an implementation ofCallbackHandler.
  com.sun.security.jgss	This package defines classes and interfaces for the JDK extensions to the GSS-API.
  com.sun.source.doctree	Provides interfaces to represent documentation comments as abstract syntax trees (AST).
  com.sun.source.tree	Provides interfaces to represent source code as abstract syntax trees (AST).
  com.sun.source.util	Provides utilities for operations on abstract syntax trees (AST).
  com.sun.tools.attach	Provides the API to attach to a Java™ virtual machine.
  com.sun.tools.attach.spi	Only developers who are defining new attach providers should need to make direct use of this package.
  com.sun.tools.javac	This package provides a legacy entry point for thejavac tool.
  com.sun.tools.javadoc	This package and its contents are deprecated and may be removed in a future release.
  com.sun.tools.jconsole	This package contains the JConsole API.
  java.applet	Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
  java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
  java.awt.color	Provides classes for color spaces.
  java.awt.datatransfer	Provides interfaces and classes for transferring data between and within applications.
  java.awt.desktop	Provides interfaces and classes for interaction with various desktop capabilities.
  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.event	Provides interfaces and classes for dealing with different types of events fired by AWT components.
  java.awt.font	Provides classes and interface relating to fonts.
  java.awt.geom	Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
  java.awt.image	Provides classes for creating and modifying images.
  java.awt.image.renderable	Provides classes and interfaces for producing rendering-independent images.
  java.awt.print	Provides classes and interfaces for a general printing API.
  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.invoke package 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.module	Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
  java.lang.reflect	Provides classes and interfaces for obtaining reflective information about classes and objects.
  java.math	Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
  java.net	Provides the classes for implementing networking applications.
  java.net.http	HTTP Client and WebSocket APIs
  java.nio	Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
  java.nio.channels	Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
  java.nio.channels.spi	Service-provider classes for thejava.nio.channels package.
  java.nio.charset	Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
  java.nio.file	Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
  java.nio.file.attribute	Interfaces and classes providing access to file and file system attributes.
  java.nio.file.spi	Service-provider classes for thejava.nio.file package.
  java.rmi	Provides the RMI package.
  java.rmi.activation	Provides support for RMI Object Activation.
  java.rmi.dgc	Provides classes and interface for RMI distributedgarbage-collection (DGC).
  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.security.acl	The classes and interfaces in this package have been deprecated.
  java.security.cert	Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
  java.security.interfaces	Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
  java.security.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
  java.sql	Provides the API for accessing and processing data stored in adata source (usually a relational database) using theJava™ programming language.
  java.text	Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
  java.time	The main API for dates, times, instants, and durations.
  java.time.chrono	Generic API for calendar systems other than the default ISO.
  java.time.format	Provides classes to print and parse dates and times.
  java.time.temporal	Access to date and time using fields and units, and date time adjusters.
  java.time.zone	Support for time-zones and their rules.
  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	Utility classes commonly useful in concurrent programming.
  java.util.concurrent.atomic	A small toolkit of classes that support lock-free thread-safe programming on single variables.
  java.util.concurrent.locks	Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
  java.util.jar	Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
  java.util.logging	Provides the classes and interfaces of the Java™ 2 platform's core logging facilities.
  java.util.prefs	This package allows applications to store and retrieve user and systempreference and configuration data.
  java.util.regex	Classes for matching character sequences against patterns specified by regular expressions.
  java.util.spi	Service provider classes for the classes in the java.util package.
  java.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
  java.util.zip	Provides classes for reading and writing the standard ZIP and GZIP file formats.
  javax.accessibility	Defines a contract between user-interface components and an assistive technology that provides access to those components.
  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.crypto.interfaces	Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
  javax.crypto.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
  javax.imageio	The main package of the Java Image I/O API.
  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.imageio.stream	A package of the Java Image I/O API dealing with low-level I/O from files and streams.
  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.lang.model.type	Interfaces used to model Java programming language types.
  javax.lang.model.util	Utilities to assist in the processing ofprogram elements andtypes.
  javax.management	Provides the core classes for the Java Management Extensions.
  javax.management.loading	Provides the classes which implement advanced dynamic loading.
  javax.management.modelmbean	Provides the definition of the ModelMBean classes.
  javax.management.monitor	Provides the definition of the monitor classes.
  javax.management.openmbean	Provides the open data types and Open MBean descriptor classes.
  javax.management.relation	Provides the definition of the Relation Service.
  javax.management.remote	Interfaces for remote access to JMX MBean servers.
  javax.management.remote.rmi	The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
  javax.management.timer	Provides the definition of the Timer MBean.
  javax.naming	Provides the classes and interfaces for accessing naming services.
  javax.naming.directory	Extends thejavax.naming package to provide functionalityfor accessing directory services.
  javax.naming.event	Provides support for event notification when accessing naming anddirectory services.
  javax.naming.ldap	Provides support for LDAPv3 extended operations and controls.
  javax.naming.spi	Provides the means for dynamically plugging in support for accessingnaming and directory services through thejavax.namingand related packages.
  javax.net	Provides classes for networking applications.
  javax.net.ssl	Provides classes for the secure socket package.
  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.standard contains classes for specific printing attributes.
  javax.print.event	Packagejavax.print.event contains event classes and listener interfaces.
  javax.rmi.ssl	Provides implementations ofRMIClientSocketFactory andRMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
  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.security.auth.callback	This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
  javax.security.auth.kerberos	This package contains utility classes related to the Kerberos network authentication protocol.
  javax.security.auth.login	This package provides a pluggable authentication framework.
  javax.security.auth.x500	This package contains the classes that should be used to store X500 Principal and X500 Private Credentials in aSubject.
  javax.security.cert	Provides classes for public key certificates.
  javax.security.sasl	Contains class and interfaces for supporting SASL.
  javax.smartcardio	Java™ Smart Card I/O API
  javax.sound.midi	Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
  javax.sound.midi.spi	Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
  javax.sound.sampled	Provides interfaces and classes for capture, processing, and playback of sampled audio data.
  javax.sound.sampled.spi	Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
  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 JDBCRowSet implementations.
  javax.sql.rowset.serial	Provides utility classes to allow serializable mappings between SQL typesand data types in the Java programming language.
  javax.sql.rowset.spi	The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
  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.border	Provides classes and interface for drawing specialized borders around a Swing component.
  javax.swing.colorchooser	Contains classes and interfaces used by theJColorChooser component.
  javax.swing.event	Provides for events fired by Swing components.
  javax.swing.filechooser	Contains classes and interfaces used by theJFileChooser component.
  javax.swing.plaf	Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
  javax.swing.plaf.basic	Provides user interface objects built according to the Basic look and feel.
  javax.swing.plaf.metal	Provides user interface objects built according to the Java look and feel (once codenamedMetal), which is the default look and feel.
  javax.swing.plaf.multi	Provides user interface objects that combine two or more look and feels.
  javax.swing.plaf.nimbus	Provides user interface objects built according to the cross-platform Nimbus look and feel.
  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.text.html	Provides the classHTMLEditorKit and supporting classes for creating HTML text editors.
  javax.swing.text.html.parser	Provides the default HTML parser, along with support classes.
  javax.swing.text.rtf	Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
  javax.swing.tree	Provides classes and interfaces for dealing withjavax.swing.JTree.
  javax.swing.undo	Allows developers to provide support for undo/redo in applications such as text editors.
  javax.tools	Provides interfaces for tools which can be invoked from a program, for example, compilers.
  javax.transaction.xa	Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
  javax.xml.catalog	Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
  javax.xml.crypto	Common classes for XML cryptography.
  javax.xml.crypto.dsig	Classes for generating and validating XML digitalsignatures.
  javax.xml.datatype	Defines XML/Java Type Mappings.
  javax.xml.namespace	Defines XML Namespace processing.
  javax.xml.parsers	Provides the classes for processing XML documents with a SAX (Simple API for XML) parser or a DOM (Document Object Model) Document builder.
  javax.xml.stream	Defines interfaces and classes for the Streaming API for XML (StAX).
  javax.xml.stream.events	Defines event interfaces for the Streaming API for XML (StAX).
  javax.xml.transform	Defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
  javax.xml.transform.stream	Provides stream and URI specific transformation classes.
  javax.xml.validation	Provides an API for validation of XML documents.
  javax.xml.xpath	Provides anobject-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
  jdk.dynalink	Contains interfaces and classes that are used to link aninvokedynamic call site.
  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.javadoc.doclet	The Doclet API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source.
  jdk.jfr	This package provides classes to create events and control Flight Recorder.
  jdk.jfr.consumer	This package contains classes for consuming Flight Recorder data.
  jdk.jshell	Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
  jdk.jshell.execution	Provides implementation support for building JShell execution engines.
  jdk.jshell.spi	Defines the Service Provider Interface for pluggable JShell execution engines.
  jdk.jshell.tool	Provides a mechanism to launch an instance of a Java™ shell tool.
  jdk.management.jfr	This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
  jdk.nashorn.api.scripting	This package provides thejavax.script integration, 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.net andjava.nio.channels socket classes.
  jdk.nio	Defines JDK-specificchannel APIs.
  jdk.security.jarsigner	This package defines APIs for signing jar files.
  netscape.javascript	Provides Java code the ability to access the JavaScript engine and the HTML DOM in the web browser.
  org.ietf.jgss	This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
  org.w3c.dom	Provides the interfaces for the Document Object Model (DOM).
  org.w3c.dom.events	Provides interfaces for DOM Level 2 Events.
  org.w3c.dom.ls	Provides interfaces for DOM Level 3 Load and Save.
  org.w3c.dom.ranges	Provides interfaces for DOM Level 2 Range.
  org.w3c.dom.xpath	Provides interfaces for DOM Level 3 XPath Specification.
  org.xml.sax	Provides the core SAX APIs.
  org.xml.sax.ext	Provides interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
  org.xml.sax.helpers	Provides helper classes, including support for bootstrapping SAX-based applications.

• Classes injava.io used bycom.sun.jarsigner 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used bycom.sun.javadoc 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.jdi 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.jdi.connect 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.jdi.connect.spi 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.jdi.request 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.management 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.net.httpserver 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.

• Classes injava.io used bycom.sun.net.httpserver.spi 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used bycom.sun.nio.sctp 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.security.auth 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.security.auth.callback 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used bycom.sun.security.jgss 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.source.doctree 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.source.tree 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.source.util 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.tools.attach 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bycom.sun.tools.attach.spi 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used bycom.sun.tools.javac 

  Class	Description
  PrintWriter	Prints formatted representations of objects to a text-output stream.

• Classes injava.io used bycom.sun.tools.javadoc 

  Class	Description
  PrintWriter	Prints formatted representations of objects to a text-output stream.

• Classes injava.io used bycom.sun.tools.jconsole 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.applet 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  FilenameFilter	Instances of classes that implement this interface are used to filter filenames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectOutputStream	An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.color 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.datatransfer 

  Class	Description
  Externalizable	Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.desktop 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.dnd 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.event 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.font 

  Class	Description
  InvalidObjectException	Indicates that one or more deserialized objects failed validation tests.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.geom 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.image 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.image.renderable 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.awt.print 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.beans 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.beans.beancontext 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInputStream	An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
  ObjectOutputStream	An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.io 

  Class	Description
  BufferedReader	Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
  CharArrayWriter	This class implements a character buffer that can be used as an Writer.
  Closeable	ACloseable is a source or destination of data that can be closed.
  Console	Methods to access the character-based console device, if any, associated with the current Java virtual machine.
  DataInput	TheDataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
  DataOutput	TheDataOutput interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
  File	An abstract representation of file and directory pathnames.
  FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
  FileFilter	A filter for abstract pathnames.
  FilenameFilter	Instances of classes that implement this interface are used to filter filenames.
  FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  FilterReader	Abstract class for reading filtered character streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  InputStreamReader	An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specifiedcharset.
  InvalidObjectException	Indicates that one or more deserialized objects failed validation tests.
  IOException	Signals that an I/O exception of some sort has occurred.
  NotActiveException	Thrown when serialization or deserialization is not active.
  ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectInputFilter	Filter classes, array lengths, and graph metrics during deserialization.
  ObjectInputFilter.FilterInfo	FilterInfo provides access to information about the current object being deserialized and the status of theObjectInputStream.
  ObjectInputFilter.Status	The status of a check on the class, array length, number of references, depth, and stream size.
  ObjectInputStream.GetField	Provide access to the persistent fields read from the input stream.
  ObjectInputValidation	Callback interface to allow validation of objects within a graph.
  ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
  ObjectOutputStream.PutField	Provide programmatic access to the persistent fields to be written to ObjectOutput.
  ObjectStreamClass	Serialization's descriptor for classes.
  ObjectStreamConstants	Constants written into the Object Serialization Stream.
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  ObjectStreamField	A description of a Serializable field from a Serializable class.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  OutputStreamWriter	An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specifiedcharset.
  PipedInputStream	A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
  PipedOutputStream	A piped output stream can be connected to a piped input stream to create a communications pipe.
  PipedReader	Piped character-input streams.
  PipedWriter	Piped character-output streams.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  SerializablePermission	This class is for Serializable permissions.
  StreamCorruptedException	Thrown when control information that was read from an object stream violates internal consistency checks.
  StringWriter	A character stream that collects its output in a string buffer, which can then be used to construct a string.
  SyncFailedException	Signals that a sync operation has failed.
  UnsupportedEncodingException	The Character Encoding is not supported.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjava.lang 

  Class	Description
  Console	Methods to access the character-based console device, if any, associated with the current Java virtual machine.
  File	An abstract representation of file and directory pathnames.
  FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  UnsupportedEncodingException	The Character Encoding is not supported.

• Classes injava.io used byjava.lang.annotation 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.lang.instrument 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.lang.invoke 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.lang.management 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.lang.module 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.lang.reflect 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.math 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.net 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  InterruptedIOException	Signals that an I/O operation has been interrupted.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  UnsupportedEncodingException	The Character Encoding is not supported.

• Classes injava.io used byjava.net.http 

  Class	Description
  FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.nio 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.nio.channels 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjava.nio.channels.spi 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjava.nio.charset 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.nio.file 

  Class	Description
  BufferedReader	Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
  BufferedWriter	Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.nio.file.attribute 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.nio.file.spi 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.

• Classes injava.io used byjava.rmi 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.rmi.activation 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.rmi.dgc 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.rmi.server 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  DataInput	TheDataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
  DataOutput	TheDataOutput interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
  Externalizable	Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectInputFilter	Filter classes, array lengths, and graph metrics during deserialization.
  ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  StreamCorruptedException	Thrown when control information that was read from an object stream violates internal consistency checks.

• Classes injava.io used byjava.security 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.security.acl 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.security.cert 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.security.interfaces 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.security.spec 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.sql 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjava.text 

  Class	Description
  InvalidObjectException	Indicates that one or more deserialized objects failed validation tests.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.time 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.time.chrono 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.time.format 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.time.temporal 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.time.zone 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  UnsupportedEncodingException	The Character Encoding is not supported.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjava.util.concurrent 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.concurrent.atomic 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.concurrent.locks 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.jar 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.logging 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  UnsupportedEncodingException	The Character Encoding is not supported.

• Classes injava.io used byjava.util.prefs 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.regex 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.spi 

  Class	Description
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.

• Classes injava.io used byjava.util.stream 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjava.util.zip 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.accessibility 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.

• Classes injava.io used byjavax.annotation.processing 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.crypto 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream	This class is the superclass of all classes that filter output streams.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.crypto.interfaces 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.crypto.spec 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.imageio 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.imageio.metadata 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.imageio.spi 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjavax.imageio.stream 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  DataInput	TheDataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
  DataOutput	TheDataOutput interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
  File	An abstract representation of file and directory pathnames.
  FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  RandomAccessFile	Instances of this class support both reading and writing to a random access file.

• Classes injava.io used byjavax.lang.model 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.lang.model.element 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.lang.model.type 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.lang.model.util 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.management 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInputStream	An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.loading 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  Externalizable	Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.modelmbean 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.monitor 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.openmbean 

  Class	Description
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.relation 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.remote 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.remote.rmi 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.management.timer 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.naming 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.naming.directory 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.naming.event 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.naming.ldap 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.naming.spi 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.net 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjavax.net.ssl 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.print 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.print.attribute 

  Class	Description
  ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.print.attribute.standard 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.print.event 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.rmi.ssl 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.script 

  Class	Description
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.security.auth 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.auth.callback 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.auth.kerberos 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.auth.login 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.auth.x500 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.cert 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.security.sasl 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.smartcardio 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.sound.midi 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.sound.midi.spi 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.

• Classes injava.io used byjavax.sound.sampled 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.sound.sampled.spi 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.

• Classes injava.io used byjavax.sql 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.sql.rowset 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.sql.rowset.serial 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.sql.rowset.spi 

  Class	Description
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.swing 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  FilterInputStream	AFilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.border 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.colorchooser 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.event 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.filechooser 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjavax.swing.plaf 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.plaf.basic 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.plaf.metal 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.plaf.multi 

  Class	Description
  File	An abstract representation of file and directory pathnames.

• Classes injava.io used byjavax.swing.plaf.nimbus 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.plaf.synth 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.table 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.text 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInputStream	An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
  ObjectOutputStream	An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.swing.text.html 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.swing.text.html.parser 

  Class	Description
  DataInputStream	A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
  IOException	Signals that an I/O exception of some sort has occurred.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.text.rtf 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.swing.tree 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.swing.undo 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.tools 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  File	An abstract representation of file and directory pathnames.
  Flushable	AFlushable is a destination of data that can be flushed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.transaction.xa 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.catalog 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.crypto 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.crypto.dsig 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.datatype 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.namespace 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.parsers 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.stream 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.xml.stream.events 

  Class	Description
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.xml.transform 

  Class	Description
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.transform.stream 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byjavax.xml.validation 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjavax.xml.xpath 

  Class	Description
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter	Prints formatted representations of objects to a text-output stream.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.dynalink 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.dynalink.beans 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.dynalink.linker 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.javadoc.doclet 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.jfr 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.jfr.consumer 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjdk.jshell 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.jshell.execution 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.

• Classes injava.io used byjdk.jshell.spi 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.jshell.tool 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  PrintStream	APrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

• Classes injava.io used byjdk.management.jfr 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjdk.nashorn.api.scripting 

  Class	Description
  Closeable	ACloseable is a source or destination of data that can be closed.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.nashorn.api.tree 

  Class	Description
  File	An abstract representation of file and directory pathnames.
  IOException	Signals that an I/O exception of some sort has occurred.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.net 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byjdk.nio 

  Class	Description
  FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byjdk.security.jarsigner 

  Class	Description
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used bynetscape.javascript 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.ietf.jgss 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.w3c.dom 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.w3c.dom.events 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.w3c.dom.ls 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  Writer	Abstract class for writing to character streams.

• Classes injava.io used byorg.w3c.dom.ranges 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.w3c.dom.xpath 

  Class	Description
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.xml.sax 

  Class	Description
  InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
  IOException	Signals that an I/O exception of some sort has occurred.
  Reader	Abstract class for reading character streams.
  Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

• Classes injava.io used byorg.xml.sax.ext 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.

• Classes injava.io used byorg.xml.sax.helpers 

  Class	Description
  IOException	Signals that an I/O exception of some sort has occurred.