15-2. (오버라이드) 동물 행동 시뮬레이터 (난이도2)_풀이

package ex06.example;

public class Animal {
    void sound(){

    }
    void introduce(){

    }
    void act(){

    }
}

class Dog extends Animal {
    private String name;

    Dog(String name){
        this.name = name;
    }

    void introduce(){
        System.out.println("제 이름은 " + name + "입니다.");
    }
    void sound(){
        System.out.println("멍멍!");
    }
    void act(){
        System.out.println("꼬리를 흔든다");
    }
}

class Cat extends Animal {
    private String name;

    Cat(String name){
        this.name = name;
    }

    void introduce(){
        System.out.println("제 이름은 " + name + "입니다.");
    }
    void sound(){
        System.out.println("야옹~");
    }
    void act(){
        System.out.println("할퀸다");
    }
}

class Duck extends Animal {
    private String name;

    Duck(String name){
        this.name = name;
    }

    void introduce(){
        System.out.println("제 이름은 " + name + "입니다.");
    }
    void sound(){
        System.out.println("꽥꽥!");
    }
    void act(){
        System.out.println("헤엄친다");
    }
}

package ex06.example;

public class Zookeeper {

    void action(Animal a){
        a.introduce();
        a.sound();
        a.act();
        System.out.println();
    }

    public static void main(String[] args) {
        Animal[] arr = new Animal[3];
        arr[0] = new Dog("콩이");
        arr[1] = new Cat("나비");
        arr[2] = new Duck("덕돌이");

        Zookeeper a1 = new Zookeeper();

        for (int i = 0; i < arr.length; i++) {
            a1.action(arr[i]);
        }

        System.out.println();

        for (Animal n : arr){
            a1.action(n);
        }
    }
}