Collections.sort(dbAreaList,new Comparator<Map<String,Object>>() {
   @Override
   public int compare(Map<String, Object> o1, Map<String, Object> o2) {
      String sort1 = String.valueOf(o1.get(DAREA_SORT_CODE));
      String sort2 = String.valueOf(o2.get(DAREA_SORT_CODE));
      return sort1.compareTo(sort2);
   }
});