- public class Ch11 {
- public static void main(String[] args) {
- Dog d1=new Dog("憨憨", 2 , 1.28);
- Dog d2=new Dog("球球", 1 , 1.35);
- Cat c1=new Cat("咪咪", 3, 0.95);
- d1.showProfile();
- d2.showProfile();
- c1.showProfile();
- }
- }
- class Animal{
- String name;
- int age;
- double w;
-
- Animal(String n,int a,double w){
- name=n;
- age=a;
- this.w=w;
- }
- void showProfile(){
- System.out.println(name+"今年"+age+"歲,體重"+w+"公斤.");
- }
-
- }
- class Dog extends Animal
- {
- Dog(String n, int a, double w) {
- super(n, a, w);
- }
-
- }
- class Cat extends Animal
- {
- Cat(String n,int a,double w){
- super(n,a,w);
- }
- }
複製代碼 |