Java线程的学习（一）——以售票系统为例

/*
 * 售票系统
 */
package com.threadText;
public class Demo1 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        //定义三个售票窗口
        TicketWindow tw1 = new TicketWindow();
        
        Thread t1 = new Thread(tw1);
        Thread t2 = new Thread(tw1);
        Thread t3 = new Thread(tw1);
        
        t1.start();
        t2.start();
        t3.start();
    }

}

class TicketWindow implements Runnable{
    private int nums = 2000;

    @Override
    public void run() {
        // TODO Auto-generated method stub
        while(true) {
        synchronized (this) {
            
                if(nums>0) {
                System.out.println(Thread.currentThread().getName()+"在售出第"+nums+"张票");
                try {
                    Thread.sleep(1000);
                } catch (Exception e) {
                    // TODO: handle exception
                    e.printStackTrace();
                }
                nums--;
                }else {
                    break;
                }
            }
        }
        
    }
    
}