code: public static String toUpperCase(Locale locale, String str)
      {
          return toUpperCase(getCaseLocale(locale), str);
      }
docs: Returns the uppercase version of the argument string.
  Casing is dependent on the argument locale and context-sensitive.
  @param locale which string is to be converted in
  @param str source string to be performed on
  @return uppercase version of the argument string