程序包 java.util.function

接口 ToDoubleBiFunction<T,U>

类型参数:

T - the type of the first argument to the function

U - the type of the second argument to the function

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface ToDoubleBiFunction<T,U>

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

This is a functional interface whose functional method is applyAsDouble(java.lang.Object,java.lang.Object).

从以下版本开始:

1.8

另请参阅:

BiFunction

方法概要

限定符和类型	方法	说明
double	applyAsDouble(T t, U u)	Applies this function to the given arguments.

方法详细资料

applyAsDouble

double applyAsDouble(T t,
                     U u)

Applies this function to the given arguments.

参数:

t - the first function argument

u - the second function argument

返回:

the function result