线程练习-网络买票

package cn.BuyTickets;
//线程类
public class BuyTickets implements Runnable{
    private int num;
    private int count=10;
    
    @Override
    public void run() {
        while(true) {
            boolean flag = buy();
            if(flag == false) {
                return;
            }
        }
        
    }
    //synchronized不能放在run方法中，否则只有一人抢票
    synchronized public boolean buy() {
        if(count==0) {
            System.out.println("已无票");
            return false;
        }
        num++;
        count--;
        try {
            Thread.sleep(300);
        } catch (InterruptedException e) {
            
            e.printStackTrace();
        }
        System.out.println(Thread.currentThread().getName()+"抢到了第"+num+"张票，余票"+count+"张");
        if("黄牛党".equals(Thread.currentThread().getName())){
            return false;    
        }
        return true;
    }        
}

package cn.BuyTickets;

public class Main {
    public static void main(String[] args) {
        BuyTickets bt = new BuyTickets();
        Thread d1 = new Thread(bt,"淘泡泡");
        Thread d2 = new Thread(bt,"张票票");
        Thread d3 = new Thread(bt,"黄牛党");
        d1.start();
        d2.start();
        d3.start();
        
    }
}