code: public void setTime(int hour, int minute, int second, int millisecond) {
  
          setHour(hour);
          setMinute(minute);
          setSecond(second);
          setMillisecond(millisecond);
      }
docs: <p>Set time as one unit, including optional milliseconds.</p>
  
  @param hour value constraints are summarized in
  <a href="#datetimefield-hour">hour field of date/time field mapping table</a>.
  @param minute value constraints are summarized in
  <a href="#datetimefield-minute">minute field of date/time field mapping table</a>.
  @param second value constraints are summarized in
  <a href="#datetimefield-second">second field of date/time field mapping table</a>.
  @param millisecond value of {@link DatatypeConstants#FIELD_UNDEFINED} indicates this
  optional field is not set.
  
  @throws IllegalArgumentException if any parameter is
  outside value constraints for the field as specified in
  <a href="#datetimefieldmapping">date/time field mapping table</a>.