线程入门之join方法

 package com.thread;
 /**
  * <join:将某线程加入进来，相当于方法调用，也叫合并某个线程>
  * <功能详细描述>
  *
  * @author  95Yang
  */
 public class Thread_join
 {
     public static void main(String[] args)
     {
         Thread2 t2 = new Thread2();
         t2.start();//使Thread2处于就绪状态
         try
         {
             t2.join();//把线程2放入主线程之前执行，相当于方法调用run()，然后再执行主线程
         }
         catch (InterruptedException e)
         {
             e.printStackTrace();
         }

         //主线程
         for (int j = 0; j < 10; j++)
         {
             System.out.println("main Thread--"+j);
         }
     }
 }

 class Thread2 extends Thread{
     public void run(){
         for (int i = 0; i < 10; i++)
         {
             System.out.println("Thread2--"+i);
             try
             {
                 sleep(1000);
             }
             catch (InterruptedException e)
             {
                 return;//如果受到破坏，停止执行
             }
         }
     }
 }

Thread2--0
Thread2--1
Thread2--2
Thread2--3
Thread2--4
Thread2--5
Thread2--6
Thread2--7
Thread2--8
Thread2--9
main Thread--0
main Thread--1
main Thread--2
main Thread--3
main Thread--4
main Thread--5
main Thread--6
main Thread--7
main Thread--8
main Thread--9