public class Penny extends Coin{
  
  static int nPennies = 0;

  Penny() {
    super();
    nPennies++;
  }

  int getCount() {
    return nPennies;
  }

  void printMsg() {
  
    System.out.println("There are " + super.getCount() + " coins,");
    System.out.println("of which " + getCount() + " are pennies.");
  }
}