初识并发问题

/**
 * @Description 初识并发问题
 */
package com.ai.demo01;

//多线程同时操作一个对象
//买火车票的例子

//发现问题:多个线程操作同一个资源的情况下,线程不安全,数据紊乱
public class TestThread4 implements Runnable {

    //票数
    private int ticketNums = 10;


    @Override
    public void run() {
        while(true){

            if(ticketNums<=0){
                break;
            }
            //模拟延时
            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName()+"拿到了"+ticketNums--+"票");
        }
    }

    public static void main(String[] args) {
        TestThread4 ticket = new TestThread4();

        new Thread(ticket,"小明").start();
        new Thread(ticket,"老师").start();
        new Thread(ticket,"黄牛党").start();

    }
}