public void process(int number) throws ParseException, SQLException {
        switch (choice) {
        case 1:
            enterModel.add();
            break;
        case 2:
            enterModel.delete();
            break;
        case 3:
            enterModel.search();
            break;
        case 4:
            enterModel.showall();
            break;
        case 5:
            enterModel.update();
            break;
        }
    }