code: @Deprecated
      public char next()
      {
          if (pos < end - 1) {
              pos++;
              return text.charAt(pos);
          }
          else {
              pos = end;
              return DONE;
          }
      }
docs: Implements CharacterIterator.next() for String.
  @see CharacterIterator#next
  @deprecated ICU 2.4. Use java.text.StringCharacterIterator instead.