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UnaryOperator
public
interface
UnaryOperator
implements
Function<T, T>
| java.util.function.UnaryOperator<T>
|
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).
Summary
Public methods |
|---|
static
<T>
UnaryOperator<T>
|
identity()
Returns a unary operator that always returns its input argument.
|
Inherited methods |
|---|
From interface
java.util.function.Function
default
<V>
Function<T, V>
|
andThen(Function<? super R, ? extends V> after)
Returns a composed function that first applies this function to
its input, and then applies the after function to the result.
|
abstract
T
|
apply(T t)
Applies this function to the given argument.
|
default
<V>
Function<V, T>
|
compose(Function<? super V, ? extends T> before)
Returns a composed function that first applies the before
function to its input, and then applies this function to the result.
|
static
<T>
Function<T, T>
|
identity()
Returns a function that always returns its input argument.
|
|
Public methods
identity
public static UnaryOperator<T> identity ()
Returns a unary operator that always returns its input argument.
| Returns |
|---|
UnaryOperator<T> |
a unary operator that always returns its input argument |
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Last updated 2026-02-26 UTC.
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