Uses of Package
java.util.function
Packages that usejava.util.function
Package
Description
Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
Provides for system input and output through data streams, serialization and the file system.
Provides classes that are fundamental to the design of the Java programming language.
Provides classfile parsing, generation, and transformation library.
Provides interfaces describing
class file attributes for thejava.lang.classfile library.Provides low-level access to memory and functions outside the Java runtime.
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
HTTP Client and WebSocket APIs
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.
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
Provides the classes and interfaces for the security framework.
Access to date and time using fields and units, and date time adjusters.
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.
Utility classes commonly useful in concurrent programming.
A small toolkit of classes that support lock-free thread-safe programming on single variables.
Functional interfaces provide target types for lambda expressions and method references.
Provides the classes and interfaces of the Java 2 platform's core logging facilities.
Classes for matching character sequences against patterns specified by regular expressions.
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
Provides classes for the secure socket package.
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
Incubating Feature. Will be removed in a future release.
This package contains classes for consuming Flight Recorder data.
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
Provides implementation support for building JShell execution engines.
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
This package defines APIs for signing jar files.
- Classes injava.util.function used bycom.sun.net.httpserverClassDescriptionRepresents an operation that accepts a single input argument and returns no result.Represents a predicate (boolean-valued function) of one argument.Represents an operation on a single operand that produces a result of the same type as its operand.
- Classes injava.util.function used byjava.ioClassDescriptionRepresents an operation upon two operands of the same type, producing a result of the same type as the operands.Represents a predicate (boolean-valued function) of one argument.
- Classes injava.util.function used byjava.lang
- Classes injava.util.function used byjava.lang.classfileClassDescriptionRepresents an operation that accepts a single input argument and returns no result.Represents a function that accepts one argument and produces a result.Represents a predicate (boolean-valued function) of one argument.Represents a supplier of results.
- Classes injava.util.function used byjava.lang.classfile.attributeClassDescriptionRepresents an operation that accepts a single input argument and returns no result.
- Classes injava.util.function used byjava.lang.foreignClassDescriptionRepresents an operation that accepts a single input argument and returns no result.
- Classes injava.util.function used byjava.lang.module
- Classes injava.util.function used byjava.net.httpClassDescriptionRepresents a predicate (boolean-valued function) of two arguments.Represents an operation that accepts a single input argument and returns no result.Represents a function that accepts one argument and produces a result.Represents a supplier of results.
- Classes injava.util.function used byjava.nio.channelsClassDescriptionRepresents an operation that accepts a single input argument and returns no result.
- Classes injava.util.function used byjava.nio.file
- Classes injava.util.function used byjava.securityClassDescriptionRepresents an operation that accepts two input arguments and returns no result.Represents a function that accepts two arguments and produces a result.Represents a function that accepts one argument and produces a result.
- Classes injava.util.function used byjava.time.temporalClassDescriptionRepresents an operation on a single operand that produces a result of the same type as its operand.
- Classes injava.util.function used byjava.utilClassDescriptionRepresents an operation that accepts two input arguments and returns no result.Represents a function that accepts two arguments and produces a result.Represents an operation upon two operands of the same type, producing a result of the same type as the operands.Represents an operation that accepts a single input argument and returns no result.Represents an operation upon two
double-valued operands and producing adouble-valued result.Represents an operation that accepts a singledouble-valued argument and returns no result.Represents a supplier ofdouble-valued results.Represents a function that accepts one argument and produces a result.Represents an operation upon twoint-valued operands and producing anint-valued result.Represents an operation that accepts a singleint-valued argument and returns no result.Represents a function that accepts an int-valued argument and produces a result.Represents a supplier ofint-valued results.Represents a function that accepts an int-valued argument and produces a double-valued result.Represents a function that accepts an int-valued argument and produces a long-valued result.Represents an operation on a singleint-valued operand that produces anint-valued result.Represents an operation upon twolong-valued operands and producing along-valued result.Represents an operation that accepts a singlelong-valued argument and returns no result.Represents a supplier oflong-valued results.Represents a predicate (boolean-valued function) of one argument.Represents a supplier of results.Represents a function that produces a double-valued result.Represents a function that produces an int-valued result.Represents a function that produces a long-valued result.Represents an operation on a single operand that produces a result of the same type as its operand. - Classes injava.util.function used byjava.util.concurrentClassDescriptionRepresents an operation that accepts two input arguments and returns no result.Represents a function that accepts two arguments and produces a result.Represents a predicate (boolean-valued function) of two arguments.Represents an operation that accepts a single input argument and returns no result.Represents an operation upon two
double-valued operands and producing adouble-valued result.Represents a function that accepts one argument and produces a result.Represents an operation upon twoint-valued operands and producing anint-valued result.Represents an operation upon twolong-valued operands and producing along-valued result.Represents a predicate (boolean-valued function) of one argument.Represents a supplier of results.Represents a function that accepts two arguments and produces a double-valued result.Represents a function that produces a double-valued result.Represents a function that accepts two arguments and produces an int-valued result.Represents a function that produces an int-valued result.Represents a function that accepts two arguments and produces a long-valued result.Represents a function that produces a long-valued result. - Classes injava.util.function used byjava.util.concurrent.atomicClassDescriptionRepresents an operation upon two operands of the same type, producing a result of the same type as the operands.Represents an operation upon two
double-valued operands and producing adouble-valued result.Represents an operation upon twoint-valued operands and producing anint-valued result.Represents an operation on a singleint-valued operand that produces anint-valued result.Represents an operation upon twolong-valued operands and producing along-valued result.Represents an operation on a singlelong-valued operand that produces along-valued result.Represents an operation on a single operand that produces a result of the same type as its operand. - Classes injava.util.function used byjava.util.functionClassDescriptionRepresents an operation that accepts two input arguments and returns no result.Represents a function that accepts two arguments and produces a result.Represents an operation upon two operands of the same type, producing a result of the same type as the operands.Represents a predicate (boolean-valued function) of two arguments.Represents an operation that accepts a single input argument and returns no result.Represents an operation that accepts a single
double-valued argument and returns no result.Represents a predicate (boolean-valued function) of onedouble-valued argument.Represents an operation on a singledouble-valued operand that produces adouble-valued result.Represents a function that accepts one argument and produces a result.Represents an operation that accepts a singleint-valued argument and returns no result.Represents a predicate (boolean-valued function) of oneint-valued argument.Represents an operation on a singleint-valued operand that produces anint-valued result.Represents an operation that accepts a singlelong-valued argument and returns no result.Represents a predicate (boolean-valued function) of onelong-valued argument.Represents an operation on a singlelong-valued operand that produces along-valued result.Represents a predicate (boolean-valued function) of one argument.Represents an operation on a single operand that produces a result of the same type as its operand. - Classes injava.util.function used byjava.util.loggingClassDescriptionRepresents a function that accepts two arguments and produces a result.Represents a function that accepts one argument and produces a result.Represents a supplier of results.
- Classes injava.util.function used byjava.util.regex
- Classes injava.util.function used byjava.util.streamClassDescriptionRepresents an operation that accepts two input arguments and returns no result.Represents a function that accepts two arguments and produces a result.Represents an operation upon two operands of the same type, producing a result of the same type as the operands.Represents an operation that accepts a single input argument and returns no result.Represents an operation upon two
double-valued operands and producing adouble-valued result.Represents an operation that accepts a singledouble-valued argument and returns no result.Represents a function that accepts a double-valued argument and produces a result.Represents a predicate (boolean-valued function) of onedouble-valued argument.Represents a supplier ofdouble-valued results.Represents a function that accepts a double-valued argument and produces an int-valued result.Represents a function that accepts a double-valued argument and produces a long-valued result.Represents an operation on a singledouble-valued operand that produces adouble-valued result.Represents a function that accepts one argument and produces a result.Represents an operation upon twoint-valued operands and producing anint-valued result.Represents an operation that accepts a singleint-valued argument and returns no result.Represents a function that accepts an int-valued argument and produces a result.Represents a predicate (boolean-valued function) of oneint-valued argument.Represents a supplier ofint-valued results.Represents a function that accepts an int-valued argument and produces a double-valued result.Represents a function that accepts an int-valued argument and produces a long-valued result.Represents an operation on a singleint-valued operand that produces anint-valued result.Represents an operation upon twolong-valued operands and producing along-valued result.Represents an operation that accepts a singlelong-valued argument and returns no result.Represents a function that accepts a long-valued argument and produces a result.Represents a predicate (boolean-valued function) of onelong-valued argument.Represents a supplier oflong-valued results.Represents a function that accepts a long-valued argument and produces a double-valued result.Represents a function that accepts a long-valued argument and produces an int-valued result.Represents an operation on a singlelong-valued operand that produces along-valued result.Represents an operation that accepts an object-valued and adouble-valued argument, and returns no result.Represents an operation that accepts an object-valued and aint-valued argument, and returns no result.Represents an operation that accepts an object-valued and along-valued argument, and returns no result.Represents a predicate (boolean-valued function) of one argument.Represents a supplier of results.Represents a function that produces a double-valued result.Represents a function that produces an int-valued result.Represents a function that produces a long-valued result.Represents an operation on a single operand that produces a result of the same type as its operand. - Classes injava.util.function used byjavax.net.ssl
- Classes injava.util.function used byjdk.dynalink.linker
- Classes injava.util.function used byjdk.incubator.vectorClassDescriptionRepresents an operation on a single
int-valued operand that produces anint-valued result. - Classes injava.util.function used byjdk.jfr.consumer
- Classes injava.util.function used byjdk.jshellClassDescriptionRepresents a function that accepts two arguments and produces a result.Represents an operation that accepts a single input argument and returns no result.Represents a function that accepts one argument and produces a result.Represents a supplier of results.
- Classes injava.util.function used byjdk.jshell.executionClassDescriptionRepresents a function that accepts two arguments and produces a result.Represents an operation that accepts a single input argument and returns no result.
- Classes injava.util.function used byjdk.management.jfrClassDescriptionRepresents an operation that accepts a single input argument and returns no result.
- Classes injava.util.function used byjdk.security.jarsignerClassDescriptionRepresents an operation that accepts two input arguments and returns no result.