1 package test ;
2 abstract class Animal
3 {
4 abstract void cry();
5 abstract String getAnimalName();
6 }
7 class dogs extends Animal
8 {
9
10 @Override
11 void cry() {
12 // TODO Auto-generated method stub
13 System.out.println("小狗"+" 旺旺 ");
14 }
15
16 @Override
17 String getAnimalName() {
18 // TODO Auto-generated method stub
19 return "大黄";
20 }
21
22 }
23 class cats extends Animal
24 {
25
26 @Override
27 void cry() {
28 // TODO Auto-generated method stub
29 System.out.println("小猫"+"喵喵 ");
30 }
31
32 @Override
33 String getAnimalName() {
34 // TODO Auto-generated method stub
35 return "小红";
36 }
37
38 }
39 class Simulator
40 {
41 void display(Animal myAnimal)
42 {
43 myAnimal.cry();
44 System.out.println(myAnimal.getAnimalName());
45 }
46 }
47 public class hello
48 {
49 public static void main(String [] args)
50 {
51 //dogs mydog = new dogs();
52 //cats mycat = new cats();
53 Simulator mySimulator = new Simulator();
54 mySimulator.display(new dogs());
55 mySimulator.display(new cats());
56 }
57
58 }