- Statement stmt = null;\r
- PreparedStatement pst = null;\r
- try {\r
- conn = db.getConnection();\r
- stmt = conn.createStatement();\r
- pst = conn.prepareStatement(sql);\r
- rs = pst.executeQuery();\r
+ try (\r
+ Connection conn = db.getConnection()){\r
+ try(PreparedStatement pst = conn.prepareStatement(sql)){\r
+ rs = pst.executeQuery();\r
+ }\r