Abstract Class, Interface, Package

Membuat sebuah project yang mengimplementasikan interface dan abstract class, dengan rincian sbb Abstract Class Animal Interface Flyer Interface Speaker Class Dog : extends Animal and implements Speaker Class Cat : extends Animal and implements Speaker Class Bird : extends Animal and implements Speaker, Flyer Class Bat : extends Animal and implements Flyer Main.java (main class)

<<abstract>> Animal <<abstract>> Dog Cat Bird Bat Interface : Flyer Interface : Speaker

Class Animal public abstract class Animal { private int age; public void setAge(int newAge) this.age=newAge; } public int getAge() return age; public abstract void eat() ; public abstract void walk();

Interface Flyer public interface Flyer { public void flying(); }

Class Cat public class Cat extends Animal implements Speaker { String name; public Cat(String newName) this.name=newName; } @Override public void eat() { System.out.println(name+" eat fish"); public void walk() { System.out.println(name+" with four leg"); public void speaking() { System.out.println(name+" speaks MIAUW MIAUW");

Class Main public class Main{ public static void main(String[] args) { Cat caty=new Cat("Caty"); caty.setAge(2); System.out.println("Caty's age is "+caty.getAge()+" years "); caty.eat(); caty.speaking(); }

Lengkapi pada project di atas Interface Speaker Class Dog Class Bird Class Bat