5.多線程學習--等待線程的終結

package com.jackson.deng.concurrent.chapter1.five;

import java.util.Date;
import java.util.concurrent.TimeUnit;

/**
 * 線程.join()表示等待該線程執行完成(TERMINATED狀態)
 * 
 * @author jackson
 *
 */
public class FinishThread {

	public class DataSourcesLoader implements Runnable {
		@Override
		public void run() {
			System.out.printf("Begining data sources loading: %s\n", new Date());
			try {
				TimeUnit.SECONDS.sleep(4);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			System.out.printf("Data sources loading has finished: %s\n", new Date());
		}
	}

	public class NetworkConnectionsLoader implements Runnable {
		@Override
		public void run() {
			System.out.printf("Begining network connections loading: %s\n", new Date());
			try {
				TimeUnit.SECONDS.sleep(6);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			System.out.printf("Network connections loading has finished: %s\n", new Date());
		}
	}

	public static void main(String[] args) {
		FinishThread ft = new FinishThread();
		Thread t1 = new Thread(ft.new DataSourcesLoader());
		Thread t2 = new Thread(ft.new NetworkConnectionsLoader());
		t1.start();
		t2.start();
		try {
			System.out.println(t1.getState());
			System.out.println(t2.getState());
			t1.join();
			t2.join();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		System.out.println(t1.getState());
		System.out.println(t2.getState());
		System.out.println("在線程1和2執行完成之後在執行這個  ");
	}
}

運行結果:

RUNNABLE
RUNNABLE
Begining data sources loading: Fri Oct 31 11:39:44 CST 2014
Begining network connections loading: Fri Oct 31 11:39:44 CST 2014
Data sources loading has finished: Fri Oct 31 11:39:48 CST 2014
Network connections loading has finished: Fri Oct 31 11:39:50 CST 2014
TERMINATED
TERMINATED
在線程1和2執行完成之後在執行這個