StringBuilder sb = new StringBuilder();
        List<Car> allBy = carRepository.findAllBy();

        for (Car car : allBy) {
            String date = car.getRegisteredOn().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
            sb.append(String.format("Car make - %s, model - %s%n",car.getMake(),car.getModel()))
                    .append(String.format("        Kilometers - %d%n",car.getKilometers()))
                    .append(String.format("        Registered on - %s%n",date))
                    .append(String.format("        Number of pictures - %d%n%n",car.getPicture().size()));
        }
        return sb.toString().trim()