try{
                    String url = "jdbc:mysql://localhost/minimarket";
                    String user = "root";
                    String pass = "";
                    Class.forName("com.mysql.jdbc.Driver");
                    Connection conn = DriverManager.getConnection(url, user, pass);
                    Statement stmt = conn.createStatement();

                    ResultSet rsl = stmt.executeQuery("SELECT * FROM keranjang WHERE pemesan='"+login.userid+"'");

                    if(rsl.next()){
                        String nb = rsl.getString("nama_barang");
                        String dtl = rsl.getString("detail");
                        String beratt = rsl.getString("berat");
                        String hrga = rsl.getString("harga");
                        String jmlh = rsl.getString("jumlah");
                        stmt.executeUpdate("UPDATE barang SET stok=stok+'"+jmlh+"' WHERE nama_barang='"+nb+"' AND detail='"+dtl+"' AND berat='"+beratt+"'");
                        stmt.executeUpdate("DELETE FROM keranjang WHERE pemesan ='"+login.userid+"' AND nama_barang='"+nb+"'");
                    }

                    conn.close();
                }
                catch (Exception error){

                }
                System.exit(0);