网购抢票，黄牛只能抢一张

package com.homework.shopticket;

public class Shop implements Runnable {
    private String name;
    //抢的票
    private int num = 0;
    //总票数
    private int count = 10;
    //记录是否买完
    private boolean flag = false;

    int k=1;

    public Shop() {

    }

    public Shop(String name) {
        this.name = name;
    }
    public synchronized void tickets() {
        if (count <= 0) {
            flag = true;
            return;
        }
        //如果黄牛党抢票，就退出循环
   /*     if ((Thread.currentThread().getName().equals("黄牛党"))&&(k!=1)) {
            k++;
            return;
        }
        if (Thread.currentThread().getName().equals("黄牛党")) {
            k++;
        }*/



        count--;
        num++;
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

 //       System.out.println("name"+Thread.currentThread().getName());
        System.out.println(Thread.currentThread().getName() + "抢到了第" + num +
                "张票，剩余" + count + "张票！");
    }
    @Override
    public void run() {
        while (!flag) {
            tickets();
            //如果黄牛党抢票，就退出循环
            if (Thread.currentThread().getName().equals("黄牛党")) {
               break;
            }

        }

    }

}

*************************************************

package com.homework.shopticket;

public class Test {
    public static void main(String[]args){
        Shop shop=new Shop();
        Thread th1=new Thread(shop,"桃跑跑");
        Thread th2=new Thread(shop,"张票票");
        Thread th3=new Thread(shop,"黄牛党");
        th1.start();
        th2.start();
        th3.start();

    }
}