【Java每日一题】20161117

package Nov2016;

public class Ques1117 {

    public static void main(String[] args) {
        Sub sub = new Sub();
        sub.doThing();
    }
}

class Parent{
    Parent(){
        new Other();
    }
}

class Sub extends Parent{
    public void doThing(){
        System.out.println("Sub doThing。。。");
    }
}

class Other{
    public Other(){
        new Sub();
    }
}