function change_light(el) { el.hide() let i = 0; function temp() { if (i > el.length - 1) { el.hide() i = 0 } else { $(el[i]).show() i++; } } var id = setInterval(temp, 300) } 直接上
等待多个子线程结束后再执行主线程 class MultiThread{ #region join test public void MultiThreadTest() { Thread[] ths = new Thread[2]; ths[0] = new Thread(Method1); ths[1] = new Thread(Method2); foreach (Thread item in ths) { //首先让所有线程都启动 item.Start(); //试想一下在这里加上item.
1.main线程中先调用threadA.join() ,再调用threadB.join()实现A->B->main线程的执行顺序 调用threadA.join()时,main线程会挂起,等待threadA执行完毕返回后再执行,到执行threadB.join()时再挂起,待threadB执行完毕返回继续执行main 使用场景:线程B依赖线程A的计算结果的场景 package concurrency; public class JoinTest { public static void main(
本文介绍两种主线程等待子线程的实现方式,以5个子线程来说明: 1.使用Thread的join()方法,join()方法会阻塞主线程继续向下执行. 2.使用Java.util.concurrent中的CountDownLatch,是一个倒数计数器.初始化时先设置一个倒数计数初始值,每调用一次countDown()方法,倒数值减一,他的await()方法会阻塞当前进程,直到倒数至0. public class AppMain { public static void main(String[] ar
方法一: Thread.join()方法,亲测可行,thread.join()方法 Vector<Thread> ts = new Vector<Thread>(); for (int i = 0; i < 200; i++) { Thread t = new Thread(new Runnable() { @Override public void run() { Counter.inc(); } }); ts.add(t); t.start(); } for (Threa
一.join() Thread中的join()方法就是同步,它使得线程之间由并行执行变为串行执行. public class MyJoinTest { public static void main(String[] args) { Vector<Thread> threadVector = new Vector<Thread>(); for (int i = 0;i<5;i++){ Thread childThread = new Thread(new Runnable()