java/W6/Animal类接口多态实现.txt

package W6;

public abstract class Animal {
    private String name;
    private int age;

    public Animal(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public int getAge() {
        return age;
    }
    public String getName() {
        return name;
    }
    public void setName(String name){
        this.name=name;
    }
    public void setAge(int age){
        this.age=age;
    }
    public abstract void makeSound();
}

interface Swimmable{
    public void swim();
}

class Dog extends Animal implements Swimmable{
    public Dog(String name,int age){
        super(name,age);
    }
    @Override
    public void makeSound(){
        System.out .println("发出叫声：汪汪汪！！");
    }

    @Override
    public void swim() {
        System.out.println(getName()+"正在游泳");
    }
}
class Cat extends Animal{
    public Cat(String name,int age){
        super(name,age);
    }
    public void  makeSound(){
        System.out.println("发出叫声：喵喵喵！！");
    }
        }
class Main{
    static void main(String[] args) {
        Dog dog = new Dog("耶耶", 5);
        System.out.println(dog.getName()+dog.getAge()+"岁了");
        dog.swim();
        dog.makeSound();
        Cat cat = new Cat("小咪",3);
        System.out.println(cat.getName()+cat.getAge()+"岁了");
        cat.makeSound();

    }
}