// The purpose of this class is to write a basic
// honk implementation once, since it is basically
// the same in every implementation.
// Note that because this is an abstract class, it
// cannot be instantiated with 'new'.
abstract class AbstractHonkable implements Honkable {
    protected String honkTxt;
    
    public String honk(int n) {
	String s = "";
	for (int i = 0; i < n; i++) {
	    s += honkTxt;
	}
	return s;
    }
}