private List<Key> getDateTimeKeys() {
    Key date = findKey(DATE);
    Key time = findKey(TIME);
    if ((date == null) || (time == null)
            || !date.type.equals(time.type)) {
      return null;
    }
    List<Key> dt = new ArrayList<>(2);
    dt.add(date);
    dt.add(time);
    return dt;
  }
private List<Key> getDateTimeKeys() {
    Key date = findKey(DATE);
    Key time = findKey(TIME);
    if ((date == null) || (time == null)
            || !date.type.equals(time.type)) {
      return null;
    }
    List<Key> dt = new ArrayList<>(2);
    dt.add(date);
    dt.add(time);
    return dt;
  }
private List < Key > getDateTimeKeys ( ) { Key date = findKey ( DATE ) ; Key time = findKey ( TIME ) ; if ( ( date == null ) || ( time == null ) || ! date . type . equals ( time . type ) ) { return null ; } List < Key > dt = new ArrayList <> ( 2 ) ; dt . add ( date ) ; dt . add ( time ) ; return dt ; }
Get the date/time information

@return the list of date/time keys
Get the date / time information