程序包 java.util.function

接口 DoubleConsumer

所有已知子接口:

DoubleStream.Builder

所有已知实现类:

DoubleSummaryStatistics

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 DoubleConsumer

Represents an operation that accepts a single double-valued argument and returns no result. This is the primitive type specialization of Consumer for double. Unlike most other functional interfaces, DoubleConsumer is expected to operate via side-effects.

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

从以下版本开始:

1.8

另请参阅:

Consumer

方法概要

限定符和类型	方法	说明
void	accept(double value)	Performs this operation on the given argument.
default DoubleConsumer	andThen(DoubleConsumer after)	Returns a composed DoubleConsumer that performs, in sequence, this operation followed by the after operation.

方法详细资料

accept

void accept(double value)

Performs this operation on the given argument.

参数:

value - the input argument

andThen

default DoubleConsumer andThen(DoubleConsumer after)

Returns a composed DoubleConsumer that performs, in sequence, this operation followed by the after operation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, the after operation will not be performed.

参数:

after - the operation to perform after this operation

返回:

a composed DoubleConsumer that performs in sequence this operation followed by the after operation

抛出:

NullPointerException - if after is null