code: public static int compareTo(Character left, Character right) {
          return compareTo(Integer.valueOf(left), right);
      }
docs: Compare two Characters. The ordinal values of the Characters
  are compared (the ordinal value is the unicode
  value which for simple character sets is the ASCII value).
  
  @param left  a Character
  @param right a Character
  @return the result of the comparison
  @since 1.0