Java 和因特网

 1 package Com.TomTest;
 2 
 3 
 4 class Father {
 5        private int money;
 6        float weight,height;
 7        String head;
 8        void speak(String s) {
 9        System.out.println(s);
10        }
11     }
12     class Son extends Father {
13         String hand,foot;
14     } 
15     public class TomTest_24 {
16       public static void main(String args[]){
17        Son boy;
18           boy=new Son();
19           boy.weight=1.80f; 
20           boy.height=120f;
21           boy.head="一个头"; 
22           boy.hand="两只手 ";
23           boy.foot="两只脚";
24           boy.speak("我是儿子");
25           System.out.println(boy.hand+boy.foot+boy.head+boy.weight+boy.height);
26        }
27     }