想象成插隊

package com.wuming.state; //測試join public class TestJoin implements 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 Thread#run()*/@Overridepublic void run() {for (int i = 0; i < 100; i++) {System.out.println("線程vip來了"+i);}}public static void main(String[] args) throws InterruptedException {//啟動我們的線程TestJoin testJoin = new TestJoin();Thread thread = new Thread(testJoin);thread.start();//主線程for (int i = 0; i < 1000; i++) {if (i==200){thread.join();//插隊}System.out.println("main"+i);}} }

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