线程随笔-测试yield

package test.Thread;

import java.util.Date;

public class testYield {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Thread4 t1 = new Thread4("t1");
		Thread4 t2 = new Thread4("t2");
		t1.start();t2.start();

	}

}

class Thread4 extends Thread {

	public Thread4(String arg0) {
		super(arg0);
		// TODO Auto-generated constructor stub
	}

	@Override
	public void run() {
		// TODO Auto-generated method stub
		for(int i=1;i<20;i++){
			System.out.println(getName()+" " + new Date() + ":" + i);
			if(i%5==0){
				Thread.yield();
			}
		}
	}
}

 

The result is :

 

t2 Sat Sep 06 16:58:35 CST 2008:1
t2 Sat Sep 06 16:58:35 CST 2008:2
t2 Sat Sep 06 16:58:35 CST 2008:3
t2 Sat Sep 06 16:58:35 CST 2008:4
t2 Sat Sep 06 16:58:35 CST 2008:5
t2 Sat Sep 06 16:58:35 CST 2008:6
t2 Sat Sep 06 16:58:35 CST 2008:7
t2 Sat Sep 06 16:58:35 CST 2008:8
t1 Sat Sep 06 16:58:35 CST 2008:1
t1 Sat Sep 06 16:58:35 CST 2008:2
t1 Sat Sep 06 16:58:35 CST 2008:3
t2 Sat Sep 06 16:58:35 CST 2008:9
t2 Sat Sep 06 16:58:35 CST 2008:10
t1 Sat Sep 06 16:58:35 CST 2008:4
t1 Sat Sep 06 16:58:35 CST 2008:5
t2 Sat Sep 06 16:58:35 CST 2008:11
t2 Sat Sep 06 16:58:35 CST 2008:12
t2 Sat Sep 06 16:58:35 CST 2008:13
t2 Sat Sep 06 16:58:35 CST 2008:14
t1 Sat Sep 06 16:58:35 CST 2008:6
t1 Sat Sep 06 16:58:35 CST 2008:7
t1 Sat Sep 06 16:58:35 CST 2008:8
t2 Sat Sep 06 16:58:35 CST 2008:15
t1 Sat Sep 06 16:58:35 CST 2008:9
t2 Sat Sep 06 16:58:35 CST 2008:16
t1 Sat Sep 06 16:58:35 CST 2008:10
t2 Sat Sep 06 16:58:35 CST 2008:17
t1 Sat Sep 06 16:58:35 CST 2008:11
t2 Sat Sep 06 16:58:35 CST 2008:18
t1 Sat Sep 06 16:58:35 CST 2008:12
t2 Sat Sep 06 16:58:35 CST 2008:19
t1 Sat Sep 06 16:58:35 CST 2008:13
t1 Sat Sep 06 16:58:35 CST 2008:14
t1 Sat Sep 06 16:58:35 CST 2008:15
t1 Sat Sep 06 16:58:35 CST 2008:16
t1 Sat Sep 06 16:58:35 CST 2008:17
t1 Sat Sep 06 16:58:35 CST 2008:18
t1 Sat Sep 06 16:58:35 CST 2008:19