public class PaymentManagerImpl implements PaymentManager {


     private Connection conn;
    private static final Logger logger = Logger.getLogger(
            PaymentManagerImpl.class.getName());

    public PaymentManagerImpl() {
        try {
          conn = Database1.getConnection("jdbc:mysql://localhost:3306/pv_168", "root", "");

        } catch (SQLException ex) {
            logger.log(Level.SEVERE, "Error when connecting to DB", ex);
            throw new RuntimeException("Error when connecting to DB", ex);
        }
    }