package com.example;

import com.sun.org.apache.xerces.internal.parsers.CachingParserPool;

public class MySyncThread {
    public static void main (String [] args){
        Ticket ticket = new Ticket();  //创建Ticket对象
        //创建并开启四个线程
        new Thread(ticket,"线程１").start();
        new Thread(ticket,"线程2").start();
        new Thread(ticket,"线程3").start();
        new Thread(ticket,"线程4").start();
    }
}


//定义Ticket类实现Runnable接口
class Ticket implements Runnable{
    private int ticket = 10;  // 定义变量tickets,并赋值１０
    Object lock =new Object();//定义任意一个对象，用作同步代码块的锁
    @Override
    public void run() {
    while(true){
    synchronized (lock){  //定义同步代码快
        try{
            Thread.sleep(10);  //经过１０Ｓ线程休眠
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        if(ticket >0){

            System.out.println(Thread.currentThread().getName()+"---卖出的票"+ticket--);
        }else{
            break;
        }
    }
}
    }

}

package com.example;
//创建一个线程类
class Ticket implements  Runnable{
    private int ticket = 10;
        @Override
        public void run () {
            while (true) {
                if(ticket > 0) {
                    sellticket(ticket);
                    ticket--;
                }else{
                    break;
                }
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

            }
        }
     //在前面修饰synchronized说明是一个同步的方法
   synchronized  private void sellticket(int ticket) {
   System.out.println(Thread.currentThread().getName()+"卖出的票号是："+ticket);
   }
}

public class MySyncThreadMethod {
    public static void main (String [] args){
        Ticket ticket = new Ticket(); //创建一个ticket对象
        //开启四个线程
        new Thread(ticket,"Thread_1").start();
        new Thread(ticket,"Thread_2").start();
        new Thread(ticket,"Thread_3").start();
        new Thread(ticket,"Thread_4").start();
    }
}