多執行緒-執行緒控制之加入執行緒

package cn.itcast_04;

public class ThreadJoin extends Thread {
	@Override
	public void run() {
		for (int x = 0; x < 100; x++) {
			System.out.println(getName() + ":" + x);
		}
	}
}

package cn.itcast_04;

/*
 * public final void join():等待該執行緒終止。 
 */
public class ThreadJoinDemo {
	public static void main(String[] args) {
		ThreadJoin tj1 = new ThreadJoin();
		ThreadJoin tj2 = new ThreadJoin();
		ThreadJoin tj3 = new ThreadJoin();

		tj1.setName("李淵");
		tj2.setName("李世民");
		tj3.setName("李元霸");

		tj1.start();
		try {
			tj1.join();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		
		tj2.start();
		tj3.start();
	}
}