package com.expgiga.JUC;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public class TestLock
{
public static void main(String[] args)
{
Ticket ticket = new Ticket();
new Thread(ticket, "1号窗口").start();
new Thread(ticket, "2号窗口").start();
new Thread(ticket, "3号窗口").start();
}
}
class Ticket implements Runnable
{
private int tick = 100;
private Lock lock = new ReentrantLock();
@Override
public void run()
{
while(true)
{
lock.lock();
try
{
if (tick > 0)
{
Thread.sleep(200);
System.out.println(Thread.currentThread().getName() + " 完成售票，余票为 " + --tick);
}
}
finally { lock.unlock(); }
}
}
}
