threadyielddemo.java

JAVA的一些基础教程

import java.util.*;

class 优先级线程 extends Thread{
	public 优先级线程(String 线程名,int 优先级){
		super(线程名);
		setPriority(优先级);
	}
	public void run(){
		Thread.yield();
		System.out.println(Thread.currentThread().getName() + "开始运行");
		int j = 0;
		Random r = new Random();
		for(int i =0; i<10000; i++){
			j = (i*r.nextInt())% 100 ; 
			if(i %2000 == 0){
				Thread.yield();
				System.out.println(Thread.currentThread().getName() + ": j = " + j);
			}
		}
		System.out.println(Thread.currentThread().getName() + "结束运行");	
	}
}

public class ThreadYieldDemo{
	public static void main(String arg[]){
		优先级线程 t1 = new 优先级线程("普通优先级线程",Thread.NORM_PRIORITY );
		优先级线程 t2 = new 优先级线程("底优先级线程",Thread.MIN_PRIORITY);
		t1.start();
		t2.start();
		t2.run();	
	}
}