程序包 java.util.function

接口 DoubleSupplier

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 DoubleSupplier

Represents a supplier of double-valued results. This is the double-producing primitive specialization of Supplier.

There is no requirement that a distinct result be returned each time the supplier is invoked.

This is a functional interface whose functional method is getAsDouble().

从以下版本开始:

1.8

另请参阅:

Supplier

方法概要

限定符和类型	方法	说明
double	getAsDouble()	Gets a result.

方法详细资料

getAsDouble

double getAsDouble()

Gets a result.

返回:

a result