41_Interface

// interface = a template that can be applied to a class,
//    similar to inheritance, but specifies what a class has/must do.
//    classes can apply more than one interface, inheritance is limited to 1 super class
   
<Main.java>
public class Main{
    public static void main(String[] args) {
    Rabbit rabbit = new Rabbit();
    rabbit.flee();
    Hawk hawk = new Hawk();
    hawk.hunt();
    Fish fish = new Fish();
    fish.flee();
    fish.hunt();
    }
}

<Prey.java>
public interface Prey {
    void flee();
}

<Predator.java>
public interface Predator {
    void hunt();
}

<Rabbit.java>
public class Rabbit implements Prey{
    @Override
    public void flee(){
        System.out.println("*The rabbit is fleeing*");
  }
}

<Hawk.java>
public class Hawk implements Predator{
    @Override
    public void hunt(){
    System.out.println("*The hawk is hunting*");
    }
}

<Fish.java>
public class Fish implements Prey, Predator {
    @Override
    public void flee() {
        System.out.println("*This fish is fleeing from a larger fish*");
    //TODO Auto-generated method stub
    }

    @Override
    public void hunt(){
        System.out.println("*This fish is hunting smaller fish*");
    }
}

>>
*The rabbit is fleeing*
*The hawk is hunting*
*This fish is fleeing from a larger fish*
*This fish is hunting smaller fish*