public class Dog extends Pet implements Walkable {
    // public class Dog extends Pet {

    public Dog(String name) {

	super(name);
    }

    @Override
    public void walk() {

	super.walk(); // Activate the parent's method before its own
	System.out.println("Dog " + this.name + " : Pant!!! Where's my leash!?!");
    }
}