多线程---模拟接力赛跑

 1 //接力赛跑的线程，实现Runnable
 2 public class MyRunnable implements Runnable{
 3     static int num = 10;
 4     private String thread;
 5     Object lock = new Object();
 6     public void run() {
 7         while(true) {
 8             synchronized (lock) {
 9                 if(num == 0) {
10                     System.out.println("比赛结束！");
11                     break;
12                 }
13                 thread = Thread.currentThread().getName();
14                 System.out.println(thread+"拿到了接力棒！");
15                 num--;            
16                 for(int i =1;i<=10;i++) {
17                     try {
18                         Thread.sleep(10);
19                     } catch (InterruptedException e) {
20                         // TODO Auto-generated catch block
21                         e.printStackTrace();
22                     }
23                     System.out.println(thread+"跑了"+(i*10));
24                 }
25                 return;
26             }
27         }
28     }
29 }

接力赛跑的线程，实现Runnable