Thread-Join

 1 public class MyThread extends Thread{
 2     
 3   public void run() {
 4     System.out.println(this.getName()+":begin...");
 5     try {
 6       Thread.sleep(2000);
 7     } catch (InterruptedException e) {
 8       // TODO Auto-generated catch block
 9       e.printStackTrace();
10     }
11     System.out.println(this.getName()+":end");
12   }
13 }

 1 public class JoinDemo {
 2   public static void main(String[] args) {
 3     MyThread mt = new MyThread();
 4     mt.start();
 5     try {
 6       mt.join();
 7     } catch (InterruptedException e) {
 8       // TODO Auto-generated catch block
 9       e.printStackTrace();
10     }
11     System.out.println(Thread.currentThread().getName()+":end");
12   }
13 }