- class Test1_Animal1 {
- public static void main(String[] args) {
- Animal1 a = new Cat("汤姆",3);
- a.sleep();
- a.eat();
- //a.jump(); //不可以调用jump方法,因为父类Animal中没有jump方法,编译不能通过
- System.out.println("--------------------------------");
- Cat c = new Cat("加菲",3);
- c.sleep();
- c.eat();
- c.jump();
- System.out.println("--------------------------------");
- Dog d = new Dog("八公",9);
- d.sleep();
- d.eat();
- d.jump();
- }
- }
- //创建父类animal,成员变量姓名,年龄,成员方法睡觉,抽象方法吃饭
- abstract class Animal1 {
- private String name;
- private int age;
-
- public Animal1(){}
- public Animal1(String name,int age){
- this.name = name;
- this.age = age;
- }
- public void setName(String name){
- this.name = name;
- }
- public String getName(){
- return name;
- }
- public void setAge(int age){
- this.age = age;
- }
- public int getAge(){
- return age;
- }
- public void sleep(){
- System.out.println(name+"睡觉");
- }
- public abstract void eat();
- }
- //接口,jump
- interface Jump {
- public void jump();
- }
- //创建类cat,父类为Animal,接口有jump,重写父类抽象方法eat,重写接口方法jump
- class Cat extends Animal1 implements Jump {
- public Cat(){}
- public Cat(String name,int age){
- super(name,age);
- }
- public void eat(){
- System.out.println(this.name+"吃鱼");
- }
- public void jump(){
- System.out.println(this.name+"跳高");
- }
- }
- //创建类dog,父类为Animal,接口有jump
- class Dog extends Animal1 implements Jump {
- public Dog(){}
- public Dog(String name,int age){
- super(name,age);
- }
- public void eat(){
- System.out.println(this.name+"吃肉");
- }
- public void jump(){
- System.out.println(this.name+"跳高");
- }
- }
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