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Added in API level 24

ToLongBiFunction

public interface ToLongBiFunction

java.util.function.ToLongBiFunction<T, U>

Represents a function that accepts two arguments and produces a long-valued result. This is the long-producing primitive specialization for BiFunction.

This is a functional interface whose functional method is applyAsLong(Object,Object).

See also:

BiFunction

Summary

Public methods
`abstract long`	`applyAsLong(T t, U u)` Applies this function to the given arguments.

Public methods

applyAsLong

Added in API level 24

public abstract long applyAsLong (T t, 
                U u)

Applies this function to the given arguments.

Parameters
`t`	`T`: the first function argument
`u`	`U`: the second function argument

Returns
`long`	the function result

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Last updated 2026-08-03 UTC.

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