java线程同步实现窗口售票机制

public class TextDemo {
    public static void main(String[] args) {
        TheRules theRules01=new TheRules(10);
        ticketThread thd1=new ticketThread("窗口1：",theRules01,5);
        ticketThread thd2=new ticketThread("窗口2：",theRules01,5);
        ticketThread thd3=new ticketThread("窗口3：",theRules01,5);
        thd1.start();
        thd2.start();
        thd3.start();

    }
}
//票机制
class TheRules{
    //总票数
    Integer ticket;

    public TheRules(Integer ticket) {
        this.ticket = ticket;
    }
                                        //售出的票
    public  synchronized void rulesSyten(int myCount){
        if(ticket==0){
            System.out.println("票没了");
            return;
        }
        if(myCount>ticket){
            System.out.println("票量不足");
        }else {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            ticket=ticket-myCount;
            System.out.println(Thread.currentThread().getName()+"售出"+myCount+"张票，剩余"+ticket);
        }


    }
}

class ticketThread extends Thread{
    private TheRules theRules;
    private int myCount;

    public ticketThread(String name, TheRules theRules,int myCount) {
        super(name);
        this.theRules = theRules;
        this.myCount=myCount;
    }

    @Override
    public void run() {
        theRules.rulesSyten(myCount);
    }
}