1.7.8使用return 停止线程

 package com.cky.thread;

 /**
  * Created by edison on 2017/12/3.
  */
 public class MyThread12 extends Thread{
     @Override
     public void run() {
         super.run();
             for (int i = 0; i < 50000; i++) {
                 if (Thread.interrupted()) {
                     System.out.println("子线程已经停止了，我要退出");
                     return;
                 }
                 System.out.println("i="+(i+1));
             }
             System.out.println("for循环后继续执行");

     }
 }

 package com.cky.test;

 import com.cky.thread.MyThread12;

 /**
  * Created by edison on 2017/12/3.
  */
 public class Test {
     public static void main(String[] args) {
         try {
             MyThread12 myThread12 = new MyThread12();
             myThread12.start();
             Thread.sleep(2);
             myThread12.interrupt();
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
     }
 }

i=137
i=138
i=139
i=140
i=141
i=142
i=143
i=144
i=145
子线程已经停止了，我要退出

用return也能停止线程，不过还是建议抛出异常的方法，因为可以继续往上抛出，让事件传播