- public class Ch01 {
- public static void main(String[] args) {
- Dog d1=new Dog("憨憨", 2, 1.3f, "紅棕色");
- Dog d2=new Dog("球球", 1, 1.2f, "白色");
- Cat c1=new Cat("咪咪", 3, 1.5f, "銀灰色");
- d1.showProfile();
- d1.makeSound(2);
- d2.showProfile();
- d2.makeSound(3);
- c1.showProfile();
- c1.makeSound(5);
- System.out.println("總共有"+Dog.sum+"隻狗,"+Cat.sum+"隻貓.");
- }
- }
- class Dog
- {
- static int sum=0;
- String name;
- int age;
- float w;
- String color;
- Dog(String n,int a,float w,String c)
- {
- sum++;
- name=n;
- age=a;
- this.w=w;
- color=c;
- }
- void showProfile()
- {
- System.out.println(name+"今年"+age+"歲,體重"+w+"公斤,毛色為"+color+".");
- }
-
- void makeSound(int n)
- {
- for(int i=1; i<=n; i++)
- System.out.print("汪~");
- System.out.println("");
- }
- }
- class Cat
- {
- static int sum=0;
- String name;
- int age;
- float w;
- String color;
-
- Cat(String n,int a,float w,String c)
- {
- sum++;
- name=n;
- age=a;
- this.w=w;
- color=c;
- }
- void showProfile()
- {
- System.out.println(name+"今年"+age+"歲,體重"+w+"公斤,毛色為"+color+".");
- }
-
- void makeSound(int n)
- {
- for(int i=1; i<=n; i++)
- System.out.print("喵~");
- System.out.println("");
- }
- }
複製代碼 |