卖票用lock实现线程安全案例

package Thread.synchronizedDemo;

/**
* FileName: SellTicketDemo
* Author: lps
* Date: 2022/3/31 14:41
* Sign:刘品水 Q:1944900433
*/
public class SellTicketDemo {
public static void main(String[] args) {
SellTicket ticket = new SellTicket();

Thread thread1 = new Thread(ticket,"刘品水");
Thread thread2 = new Thread(ticket,"刘品水");
Thread thread3 = new Thread(ticket,"刘品水");
thread1.start();
thread2.start();
thread3.start();

}
}


package Thread.synchronizedDemo;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
* FileName: SellTicket
* Author: lps
* Date: 2022/3/31 14:41
* Sign:刘品水 Q:1944900433
*/
public class SellTicket implements Runnable{
private int number=100;
private Lock lock=new ReentrantLock();
@Override
public void run() {
while (true){
try {
lock.lock();
if (number>0){

try {

Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName()+"正在卖第"+number--+"张票");
}
}finally {
lock.unlock();
}


}

}
}

 

posted @ 2022-03-31 15:03  刘品水  阅读(33)  评论(0)    收藏  举报