server.java

用NETBEANS做的一个关于Java的小小的demo.大家赐教

/*
 * Server.java
 *
 * Created on 2007年9月14日, 下午12:42
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package semaphore;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 *
 * @author Administrator
 */
public class Server {
    public static void main(String[] args) throws InterruptedException{
        System.out.println("Server is starting.");
        //初始化一个初始值为3的CountDownLatch
        CountDownLatch latch = new CountDownLatch(3);
        //起3个线程分别去启动3个组件
        ExecutorService service = Executors.newCachedThreadPool();
        service.submit(new ComponentThread(latch, 1));
        service.submit(new ComponentThread(latch, 2));
        service.submit(new ComponentThread(latch, 3));
        service.shutdown();
        //进入等待状态
        latch.await();
        //当所需的三个组件都完成时，Server就可继续了
        System.out.println("Server is up!");
    }
}