3 回答Thread actor=new Thread(new Actor(),"Mr.Thread");

4 回答Thread actressThread = new Thread(new Actress(),"Ms. Runnable");

1 回答Thread actressthread=new Thread(new Actress(),"Ms.Runnable");报错啊

2 回答Thread actressThread=new Thread(new Actress(),"MsRunnable")为什么创建Actress()实例用要用Thread的方法

3 回答Thread actor=new Actor(); 这怎么理解?