package com.brianway.learning.java.multithread.lock.example8; import java.util.concurrent.locks.ReentrantLock; /** * Created by Brian on 2016/4/15. */ public class Service3 { public ReentrantLock lock = new ReentrantLock(); public void waitMethod() { if (lock.tryLock()) { System.out.println(Thread.currentThread().getName() + "获得锁"); } else { System.out.println(Thread.currentThread().getName() + "没有获得锁"); } } }