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Added in API level 24

DoubleFunction

public interface DoubleFunction

java.util.function.DoubleFunction<R>

Represents a function that accepts a double-valued argument and produces a result. This is the double-consuming primitive specialization for Function.

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

See also:

Function

Summary

Public methods
`abstract R`	`apply(double value)` Applies this function to the given argument.

Public methods

apply

Added in API level 24

public abstract R apply (double value)

Applies this function to the given argument.

Parameters
`value`	`double`: the function argument

Returns
`R`	the function result

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Last updated 2026-08-03 UTC.

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