/*
 * Types of things, including game items and characters.
 */
public enum ThingType {
  BEER, COIN, VENDING, POTION, WARRIOR, GUARD, PAINT;
  /**
   * String representation of <code>n</code> things of this type.
   * 
   * @param n number of things
   */
  public String nThingsToString(int n) {
    if (n  < 1)
      return "no " + this +"s";
    if (n == 1)
      return "one " + this;
    return n + " " + this + "s";
  }
  public String toString() {
    return name().toLowerCase();
  }
}