public static void release(ResultSet rs, Statement statement,			Connection conn) {		if (rs != null) {			try {				rs.close();			} catch (SQLException e) {				e.printStackTrace();			}		}		if (statement != null) {			try {				statement.close();			} catch (Exception e2) {				e2.printStackTrace();			}		}		if (conn != null) {			try {				conn.close();			} catch (Exception e2) {				e2.printStackTrace();			}		}	}