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Added in API level 24

Summary: Methods | Inherited Methods | [Expand All]

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).

See also:

Function

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

Public methods

identity

Added in API level 24

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