java.util.function

public Interface UnaryOperator<T>

Known Direct Implementers

extends Function<T, T>jdk.internal.foreign.LayoutPath.GroupElementByName, jdk.internal.foreign.LayoutPath.GroupElementByIndex, jdk.internal.foreign.LayoutPath.SequenceElementByIndex, jdk.internal.foreign.LayoutPath.SequenceElementByRange, jdk.internal.foreign.LayoutPath.SequenceElement, jdk.internal.foreign.LayoutPath.DereferenceElement

Annotations

@FunctionalInterface

Type Parameters

<T>: the type of the operand and result of the operator

Represents an operation on a single operand that produces a result of the same type as its operand. This is a specialization of Function for the case where the operand and result are of the same type.

This is a functional interface whose functional method is apply(Object).

Since: 1.8
See Also: Function

Method Summary

Modifier and Type	Method and Description
public static < the type of the input and output of the operator T> UnaryOperator<T>	Returns: a unary operator that always returns its input argument identity() Hides java.util.function.Function.identity. Returns a unary operator that always returns its input argument.

Inherited from java.util.function.Function:: andThen apply compose

Method Detail

identity	back to summary
public static <T> UnaryOperator<T> identity() Hides java.util.function.Function.identity. Returns a unary operator that always returns its input argument. Parameters <T> the type of the input and output of the operator Returns:UnaryOperator<T> a unary operator that always returns its input argument

identity

back to summary

public static <T> UnaryOperator<T> identity()

Hides java.util.function.Function.identity.

Returns a unary operator that always returns its input argument.

Parameters

<T>: the type of the input and output of the operator

Returns:UnaryOperator<T>

a unary operator that always returns its input argument