java map 装入list

if (rs.next()) {
                do {
                    Map<String, String> newsMap = new HashMap<>();  
                    newsMap.put("news_id",Des.getEncString(rs.getString("news_id")));
                    newsMap.put("news_addtime",rs.getString("news_addtime"));
                    newsMap.put("news_title",rs.getString("news_title"));
                    newsList.add(newsMap);
                } while (rs.next());
            }