插队
package com.alipay.sofa.web.test.base; public class ThreadJoinTest implements Runnable { //线程体 @Override public void run() { for (int i = 0; i < 100; i++) { System.out.println("线程体"+i); } } public static void main(String[] args) throws InterruptedException { //启动线程 ThreadJoinTest tjt = new ThreadJoinTest(); Thread thread = new Thread(tjt); thread.start(); for (int i = 0; i < 1000; i++) { System.out.println("主线程"+i); if (i == 200){ thread.join(); } } } }