抽象类和接口的小案例

class Test1_Animal {    public static void main(String[] args) {        Cat c = new Cat("加菲",8);        c.eat();        c.sleep();        JumpCat jc = new JumpCat("跳高猫",3);        jc.eat();        jc.sleep();        jc.jump();    }}/** A:案例演示    * 动物类：姓名，年龄，吃饭，睡觉。    * 猫和狗    * 动物培训接口：跳高*/abstract class Animal {    private String name;                //姓名    private int age;                    //年龄    public Animal() {}                  //空参构造    public Animal(String name,int age) {//有参构造        this.name = name;        this.age = age;    }    public void setName(String name) {  //设置姓名        this.name = name;    }    public String getName() {           //获取姓名        return name;    }    public void setAge(int age) {       //设置年龄        this.age = age;    }    public int getAge() {               //获取年龄        return age;    }    public abstract void eat();         //吃饭    public abstract void sleep();       //睡觉}interface Jumping {                     //跳高的接口    public void jump();}class Cat extends Animal {    public Cat() {}                 //空参构造    public Cat(String name,int age) {//有参构造        super(name,age);    }    public void eat() {        System.out.println("猫吃鱼");    }    public void sleep() {        System.out.println("侧着睡");    }}class JumpCat extends Cat implements Jumping {    public JumpCat() {}                 //空参构造    public JumpCat(String name,int age) {//有参构造        super(name,age);    }    public void jump() {        System.out.println("猫跳高");    }}