设计继承树1

 1 public class Sheji extends Animals{ //继承Animal
 2     void makeNoise(){ //重写makeNoice方法
 3         System.out.println(name+"汪汪汪!");
 4     }
 5     void eat(){
 6         System.out.println(name+"在高兴地吃"+food);
 7         System.out.println(name+"饥饿程度是："+hunger+"级");
 8     }
 9   public static void main(String[] args){
10       Sheji Dog = new Sheji();
11       Dog.name = "旺财";
12       Dog.food = "屎";
13       Dog.hunger = 1;
14       
15       Dog.makeNoise();
16       Dog.eat();
17   }
18 }
19 class Animals{
20     String name;
21     String food;
22     int hunger;
23     
24     void makeNoise(){
25         
26     }
27     void eat(){
28         
29     }
30     void sleep(){
31         
32     }
33     void roam(){
34         
35     }
36 }