private void pizzaCost(Data data) {
   bill.setPizzas(data.getPizzas());
   double pizzaTotalPrice = 0;
   try {
     for (int i = 0; i < data.getPizzas().size(); i++) {
       pizzaTotalPrice += data.getPizzas().get(i).getPrice();
     }
     bill.setPizzaPrice(pizzaTotalPrice);
   } catch (IndexOutOfBoundsException e) {
     logger.error(resourceBundle.getString("pizzaError"));
   }
 }