卖票功能的实现

`package cn.yunhe.xianCheng;

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

/*

• 卖票功能

• 多线程

• 一个总数
  */
  public class ZuoYe {

  public static void main(String[] args) {
  // TODO Auto-generated method stub
  Runnable mai = new mai();
  Thread c = new Thread(mai,“小陆”);
  c.start();
  Thread c1 = new Thread(mai,“小可”);
  c1.start();

  }

}

class mai implements Runnable{
int i =100;
Lock lock = new ReentrantLock();
@Override
public void run() {
while(true){
// TODO Auto-generated method stub
try {
lock.lock();
// synchronized (this) {
if(i>0) {
–i;
Thread.sleep(100);
System.out.println(Thread.currentThread().getName()+“还剩”+i+“张票”);
}

} catch (InterruptedException e) {

e.printStackTrace();
}finally {
lock.unlock();
} }

}
}