public void addProductToDatabase(Product p) throws SQLException {
    int number = p.getNumber();
    String name = p.getName();
    BigDecimal price = p.getUnitPrice();
    int quantity = p.getQuantity();
    String category = p.getCategory();
    String car = p.getCar();
    String image = p.getImage();
    Statement stmt = con.createStatement();

    String sql =
        "INSERT INTO APP.PRODUCTS "
            + "VALUES ("
            + number
            + ",'"
            + name
            + "',"
            + quantity
            + ",'"
            + category
            + "','"
            + image
            + "','"
            + car
            + "',"
            + price
            + ")";
    stmt.executeUpdate(sql);
  }
  public void removeProductFromDatabase(Product p) throws SQLException {
    int number = p.getNumber();
    String name = p.getName();
    BigDecimal price = p.getUnitPrice();
    int quantity = p.getQuantity();
    String category = p.getCategory();
    String car = p.getCar();
    String image = p.getImage();
    Statement stmt = con.createStatement();

    String sql = "DELETE FROM App.Products WHERE number=" + number;
    stmt.executeUpdate(sql);
  }