- class Ticket implements Runnable
- {
- private int num = 100;
- Object obj = new Object();
- boolean flag = true;
- public void run()
- {
- if(flag)
- while(true)
- {
- synchronized(obj)
- {
- show();
- }
- }
- else
- while(true)
- this.show();
- }
- public synchronized void show()
- {
- synchronized(obj)
- {
- if(num>0)
- {
- try{Thread.sleep(10);}catch (InterruptedException e){}
-
- System.out.println(Thread.currentThread().getName()+".....sale...."+num--);
- }
- }
- }
- }
- class Demo71
- {
- public static void main(String[] args)
- {
- Ticket t = new Ticket();
- Thread t1 = new Thread(t);
- Thread t2 = new Thread(t);
- t1.start();
- try{Thread.sleep(10);}catch(InterruptedException e){}
- t.flag = false;
- t2.start();
- }
- }
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上面代码,的运行产生死锁的运行过程是怎么样的?能否比较详细的罗列一个运行步骤,1 2 3 这样的步骤。
先谢过。 |
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