Uses of Package java.util.function (Java SE 9 & JDK 9 )

Packages that use java.util.function
Package	Description
java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.lang.module	Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.nio.file	Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.security	Provides the classes and interfaces for the security framework.
java.time.temporal	Access to date and time using fields and units, and date time adjusters.
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.function	Functional interfaces provide target types for lambda expressions and method references.
java.util.logging	Provides the classes and interfaces of the Java™ 2 platform's core logging facilities.
java.util.regex	Classes for matching character sequences against patterns specified by regular expressions.
java.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
javafx.collections	Contains the essential JavaFX collections and collection utilities
javafx.collections.transformation	Provides JavaFX collections that wrap and transform (for example, sort or filter) other JavaFX collections.
javafx.css	Provides API for making properties styleable via CSS and for supporting pseudo-class state.
javafx.scene.control	The JavaFX User Interface Controls (UI Controls or just Controls) are specialized Nodes in the JavaFX Scenegraph especially suited for reuse in many different application contexts.
javax.net.ssl	Provides classes for the secure socket package.
jdk.dynalink.linker	Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.incubator.http	High level HTTP and WebSocket API
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.security.jarsigner

Classes in java.util.function used by java.lang
Class	Description
Consumer	Represents an operation that accepts a single input argument and returns no result.
Function	Represents a function that accepts one argument and produces a result.
Supplier	Represents a supplier of results.

Classes in java.util.function used by java.lang.module
Class	Description
Supplier	Represents a supplier of results.

Classes in java.util.function used by java.nio.file
Class	Description
BiPredicate	Represents a predicate (boolean-valued function) of two arguments.

Classes in java.util.function used by java.security
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.
BiFunction	Represents a function that accepts two arguments and produces a result.
Function	Represents a function that accepts one argument and produces a result.

Classes in java.util.function used by java.time.temporal
Class	Description
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by java.util
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.
BiFunction	Represents a function that accepts two arguments and produces a result.
BinaryOperator	Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
Consumer	Represents an operation that accepts a single input argument and returns no result.
DoubleBinaryOperator	Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
DoubleConsumer	Represents an operation that accepts a single `double`-valued argument and returns no result.
DoubleSupplier	Represents a supplier of `double`-valued results.
Function	Represents a function that accepts one argument and produces a result.
IntBinaryOperator	Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
IntConsumer	Represents an operation that accepts a single `int`-valued argument and returns no result.
IntFunction	Represents a function that accepts an int-valued argument and produces a result.
IntSupplier	Represents a supplier of `int`-valued results.
IntToDoubleFunction	Represents a function that accepts an int-valued argument and produces a double-valued result.
IntToLongFunction	Represents a function that accepts an int-valued argument and produces a long-valued result.
IntUnaryOperator	Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
LongBinaryOperator	Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
LongConsumer	Represents an operation that accepts a single `long`-valued argument and returns no result.
LongSupplier	Represents a supplier of `long`-valued results.
Predicate	Represents a predicate (boolean-valued function) of one argument.
Supplier	Represents a supplier of results.
ToDoubleFunction	Represents a function that produces a double-valued result.
ToIntFunction	Represents a function that produces an int-valued result.
ToLongFunction	Represents a function that produces a long-valued result.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by java.util.concurrent
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.
BiFunction	Represents a function that accepts two arguments and produces a result.
BiPredicate	Represents a predicate (boolean-valued function) of two arguments.
Consumer	Represents an operation that accepts a single input argument and returns no result.
DoubleBinaryOperator	Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
Function	Represents a function that accepts one argument and produces a result.
IntBinaryOperator	Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
LongBinaryOperator	Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
Predicate	Represents a predicate (boolean-valued function) of one argument.
Supplier	Represents a supplier of results.
ToDoubleBiFunction	Represents a function that accepts two arguments and produces a double-valued result.
ToDoubleFunction	Represents a function that produces a double-valued result.
ToIntBiFunction	Represents a function that accepts two arguments and produces an int-valued result.
ToIntFunction	Represents a function that produces an int-valued result.
ToLongBiFunction	Represents a function that accepts two arguments and produces a long-valued result.
ToLongFunction	Represents a function that produces a long-valued result.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by java.util.concurrent.atomic
Class	Description
BinaryOperator	Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
DoubleBinaryOperator	Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
IntBinaryOperator	Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
IntUnaryOperator	Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
LongBinaryOperator	Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
LongUnaryOperator	Represents an operation on a single `long`-valued operand that produces a `long`-valued result.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by java.util.function
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.
BiFunction	Represents a function that accepts two arguments and produces a result.
BinaryOperator	Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
BiPredicate	Represents a predicate (boolean-valued function) of two arguments.
Consumer	Represents an operation that accepts a single input argument and returns no result.
DoubleConsumer	Represents an operation that accepts a single `double`-valued argument and returns no result.
DoublePredicate	Represents a predicate (boolean-valued function) of one `double`-valued argument.
DoubleUnaryOperator	Represents an operation on a single `double`-valued operand that produces a `double`-valued result.
Function	Represents a function that accepts one argument and produces a result.
IntConsumer	Represents an operation that accepts a single `int`-valued argument and returns no result.
IntPredicate	Represents a predicate (boolean-valued function) of one `int`-valued argument.
IntUnaryOperator	Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
LongConsumer	Represents an operation that accepts a single `long`-valued argument and returns no result.
LongPredicate	Represents a predicate (boolean-valued function) of one `long`-valued argument.
LongUnaryOperator	Represents an operation on a single `long`-valued operand that produces a `long`-valued result.
Predicate	Represents a predicate (boolean-valued function) of one argument.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by java.util.logging
Class	Description
BiFunction	Represents a function that accepts two arguments and produces a result.
Function	Represents a function that accepts one argument and produces a result.
Supplier	Represents a supplier of results.

Classes in java.util.function used by java.util.regex
Class	Description
Function	Represents a function that accepts one argument and produces a result.
Predicate	Represents a predicate (boolean-valued function) of one argument.

Classes in java.util.function used by java.util.stream
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.
BiFunction	Represents a function that accepts two arguments and produces a result.
BinaryOperator	Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
Consumer	Represents an operation that accepts a single input argument and returns no result.
DoubleBinaryOperator	Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
DoubleConsumer	Represents an operation that accepts a single `double`-valued argument and returns no result.
DoubleFunction	Represents a function that accepts a double-valued argument and produces a result.
DoublePredicate	Represents a predicate (boolean-valued function) of one `double`-valued argument.
DoubleSupplier	Represents a supplier of `double`-valued results.
DoubleToIntFunction	Represents a function that accepts a double-valued argument and produces an int-valued result.
DoubleToLongFunction	Represents a function that accepts a double-valued argument and produces a long-valued result.
DoubleUnaryOperator	Represents an operation on a single `double`-valued operand that produces a `double`-valued result.
Function	Represents a function that accepts one argument and produces a result.
IntBinaryOperator	Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
IntConsumer	Represents an operation that accepts a single `int`-valued argument and returns no result.
IntFunction	Represents a function that accepts an int-valued argument and produces a result.
IntPredicate	Represents a predicate (boolean-valued function) of one `int`-valued argument.
IntSupplier	Represents a supplier of `int`-valued results.
IntToDoubleFunction	Represents a function that accepts an int-valued argument and produces a double-valued result.
IntToLongFunction	Represents a function that accepts an int-valued argument and produces a long-valued result.
IntUnaryOperator	Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
LongBinaryOperator	Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
LongConsumer	Represents an operation that accepts a single `long`-valued argument and returns no result.
LongFunction	Represents a function that accepts a long-valued argument and produces a result.
LongPredicate	Represents a predicate (boolean-valued function) of one `long`-valued argument.
LongSupplier	Represents a supplier of `long`-valued results.
LongToDoubleFunction	Represents a function that accepts a long-valued argument and produces a double-valued result.
LongToIntFunction	Represents a function that accepts a long-valued argument and produces an int-valued result.
LongUnaryOperator	Represents an operation on a single `long`-valued operand that produces a `long`-valued result.
ObjDoubleConsumer	Represents an operation that accepts an object-valued and a `double`-valued argument, and returns no result.
ObjIntConsumer	Represents an operation that accepts an object-valued and a `int`-valued argument, and returns no result.
ObjLongConsumer	Represents an operation that accepts an object-valued and a `long`-valued argument, and returns no result.
Predicate	Represents a predicate (boolean-valued function) of one argument.
Supplier	Represents a supplier of results.
ToDoubleFunction	Represents a function that produces a double-valued result.
ToIntFunction	Represents a function that produces an int-valued result.
ToLongFunction	Represents a function that produces a long-valued result.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by javafx.collections
Class	Description
Predicate	Represents a predicate (boolean-valued function) of one argument.

Classes in java.util.function used by javafx.collections.transformation
Class	Description
Predicate	Represents a predicate (boolean-valued function) of one argument.

Classes in java.util.function used by javafx.css
Class	Description
Function	Represents a function that accepts one argument and produces a result.

Classes in java.util.function used by javafx.scene.control
Class	Description
Consumer	Represents an operation that accepts a single input argument and returns no result.
UnaryOperator	Represents an operation on a single operand that produces a result of the same type as its operand.

Classes in java.util.function used by javax.net.ssl
Class	Description
BiFunction	Represents a function that accepts two arguments and produces a result.

Classes in java.util.function used by jdk.dynalink.linker
Class	Description
Supplier	Represents a supplier of results.

Classes in java.util.function used by jdk.incubator.http
Class	Description
Consumer	Represents an operation that accepts a single input argument and returns no result.
Function	Represents a function that accepts one argument and produces a result.
Supplier	Represents a supplier of results.

Classes in java.util.function used by jdk.jshell
Class	Description
BiFunction	Represents a function that accepts two arguments and produces a result.
Consumer	Represents an operation that accepts a single input argument and returns no result.
Function	Represents a function that accepts one argument and produces a result.
Supplier	Represents a supplier of results.

Classes in java.util.function used by jdk.jshell.execution
Class	Description
BiFunction	Represents a function that accepts two arguments and produces a result.
Consumer	Represents an operation that accepts a single input argument and returns no result.

Classes in java.util.function used by jdk.security.jarsigner
Class	Description
BiConsumer	Represents an operation that accepts two input arguments and returns no result.

Uses of Packagejava.util.function

Uses of Package
java.util.function