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01.class Ticket implements Runnable
02.{
03.private static int tick = 100;
04.boolean flag = true;
05.public void run()
06.{
07.if(flag)
08.{
09.while(true)
10.{
11.synchronized(Ticket.class)
12.{
13.if(tick>0)
14.{
15.try{Thread.sleep(10);}catch(Exception e){}
16.System.out.println(Thread.currentThread().getName()+"....code : "+ tick--);
17.}
18.}
19.}
20.}
21.else
22.while(true)
23.show();
24.//show难道不是对象在调用吗？为什么是Ticket类在调用呢？
25.}
26.public static synchronized void show()
27.{
28.if(tick>0)
29.{
30.try{Thread.sleep(10);}catch(Exception e){}
31.System.out.println(Thread.currentThread().getName()+"....show.... : "+ tick--);
32.}
33.}
34.}
35.
36.
37.public class StaticMethodDemo
38.{
39.public static void main(String[] args)
40.{
41.
42.Ticket t = new Ticket();
43.Thread t1 = new Thread(t);
44.Thread t2 = new Thread(t);
45.t1.start();
46.try{Thread.sleep(10);}catch(Exception e){}
47.t.flag = false;
48.t2.start();
49.
50.
51.}
52.}

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