public List<ObjectiveObj> getObjectiveTable(PreparedStatement pre) {
        List<ObjectiveObj> items = new LinkedList<ObjectiveObj>();
        try {
            ResultSet rs = pre.executeQuery();
            if (rs != null) {
                while (rs.next()) {
                    ObjectiveObj item = new ObjectiveObj();
                    item.setObjId(rs.getInt("obj_id"));
                    item.setObjName(rs.getString("obj_name"));
                    items.add(item);
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return items;
    }