Collection  subjects  = _getImmediateElements(e, "subject");
Collection  subjects  = this._getImmediateElements(e, "subject");
  private void _processSubjects(Element e, String stem)   {    Collection  subjects  = _getImmediateElements(e, "subject");    Iterator    it        = subjects.iterator();    Element     subject;    Map         map;    while (it.hasNext()) {      subject = (Element) it.next();      map     = new HashMap();      map.put("stem", stem);      map.put("subject", subject);      memberships.add(map);    }  } // private void _processSubjects(e, stem)