code: public static String ordinalize(int n) {
      int mod100 = n % 100;
      if (mod100 == 11 || mod100 == 12 || mod100 == 13) {
        return String.valueOf(n) + "th";
      }
      switch (n % 10) {
        case 1:
          return String.valueOf(n) + "st";
        case 2:
          return String.valueOf(n) + "nd";
        case 3:
          return String.valueOf(n) + "rd";
        default:
          return String.valueOf(n) + "th";
      }
    }
docs: Return the ordinal for the given number.
  @param n The number
  @return The ordinal String