函数接口，它不接受任何内容，也不返回任何内容

JDK 中是否有一个标准的函数接口，它不接受任何东西，也不返回任何东西？我找不到。大致如下:

@FunctionalInterface
interface Action {
void execute();
}

java
function
java-8

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最佳答案

Runnable 怎么样:

@FunctionalInterface
public interface Runnable {
/**
* When an object implementing interface <code>Runnable</code> is used
* to create a thread, starting the thread causes the object's
* <code>run</code> method to be called in that separately executing
* thread.
* <p>
* The general contract of the method <code>run</code> is that it may
* take any action whatsoever.
*
* @see     java.lang.Thread#run()
*/
public abstract void run();
}