JAVA多线程课堂练习

package com.cdmczqc;

public class ThreadDemo extends Thread {
	public ThreadDemo(String name){
		this.setName(name);
	}
	public void run(){
		for(int i=0;i<20;i++){
			try{
				System.out.println(this.currentThread()+"->"+(int)(Math.random()*100+1));
				this.sleep(200);
			}catch(InterruptedException e){
				e.printStackTrace();
			}
		}
	}
}