標題:
繼承 (二)
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作者:
tonyh
時間:
2021-8-11 17:09
標題:
繼承 (二)
試在子類別中添加新的方法成員.
public class Ch69 {
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();
d1.makeSound(2);
d2.showProfile();
d2.makeSound(3);
c1.showProfile();
c1.makeSound(5);
}
}
class Animal{
String name;
int age;
double weight;
Animal(String n, int a, double w)
{
name=n;
age=a;
weight=w;
}
void showProfile()
{
System.out.println(name+"今年"+age+"歲,體重"+weight+"公斤.");
}
}
class Dog extends Animal
{
Dog(String n, int a, double w)
{
super(n,a,w);
}
void makeSound(int x)
{
for(int i=1; i<=x; i++)
System.out.print("汪~");
System.out.println();
}
}
class Cat extends Animal
{
Cat(String n, int a, double w)
{
super(n,a,w);
}
void makeSound(int x)
{
for(int i=1; i<=x; i++)
System.out.print("喵~");
System.out.println();
}
}
複製代碼
作者:
駱顗安
時間:
2021-8-11 17:42
public class Ch01 {
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();
d1.makesound(2);
d2.showprofile();
d2.makesound(3);
c1.showprofile();
c1.makesound(5);
}
}
class Animal{
String name;
int age;
Double weight;
Animal(String n, int a, Double w){
name=n;
age=a;
weight=w;
}
void showprofile(){
System.out.println(name+"今年"+age+"歲,體重"+weight+"公斤.");
}
}
class Dog extends Animal {
Dog(String n, int a, Double w){
super(n,a,w);
}
void makesound(int q){
for (int i = 0; i < q; i++) {
System.out.print("汪~");
}
System.out.println();
}
}
class Cat extends Animal{
Cat(String n, int a, Double w){
super(n, a, w);
}
void makesound(int q){
for (int i = 0; i < q; i++) {
System.out.print("喵~");
}
System.out.println();
}
}
複製代碼
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