【Java每日一題】20170327

20170324問題解析請點擊今日問題下方的「【Java每日一題】20170327」查看（問題解析在公衆號首發，公衆號ID：weknow619）

package Mar2017;

public class Ques0327 {    

    public static void main(String[] args) {
        MyThread t1 = new MyThread("t1");
        MyThread t2 = new MyThread("t2");
        t1.start();
        t2.start();
    }
}

class MyThread extends Thread {    
    public void output(String s) {
        System.out.println(s);
    }    
    
    public void run() {        
        for (int i = 0; i < 10; ++i) {            
            try {
                sleep((long)(3000*Math.random()));
            } catch (Exception e) {                
                // TODO: handle exception
            }
            output(getName());
        }
    }    
    
    public MyThread(String s) {        
        super(s);
    }
}

今日問題： 
請問主程序運行結果是什麼？（點擊如下「【Java每日一題】20170327」查看20170324問題解析） 

題目原發佈於公衆號、簡書：【Java每日一題】20170327，【Java每日一題】20170327 （也能夠掃描頭像二維碼查看）