public class A  {
    public static void main(String[] arg){
        Runnable r = new Runnable(){
            public void run(){
                System.out.println("cat");
            }
        };
        Thread t = new Thread(r){
            public void run(){
                System.out.println("dog");
            }
        };
        t.start();
   }
}
希望前辈能够解释一下这道题的原理
感激不尽~~~

我想知道 这道题的答案为什么是 dog 而不是cat~~