Java> = 8中没有args且没有返回类型(void)的“函数”
发布于 2021-01-31 15:23:02
JDK中是否有一个标准功能接口,该接口什么都不做,什么也不返回?我找不到一个。类似于以下内容:
@FunctionalInterface
interface Action {
void execute();
}
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那么Runnable呢:
@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(); }