package com.imooc;
public class Animal{
private int age;
private String name;
public Animal(){
this.name="动物";
this.age=10;
};
public Animal(String name,int age){
this.name=name;
this.age=age;
}
public void info(){
System.out.println("动物名:"+name+" 年龄:"+age);
}
}
package com.imooc;
public class Dog extends Animal{
private String name;
private int age;
public Dog(){}
public Dog(String name,int age){
this.name=name;
this.age=age;
}
}
package com.imooc;
public class HelloWorld {
public static void main(String[] args) {
Animal animal=new Animal();
Dog dog=new Dog("狗狗",12);
animal.info();
dog.info();
}
}
清风徐来水波不心
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