import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Getter;
import lombok.ToString;
import lombok.Value;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

@Value
@ToString
public class Car {
    String make;
    String model;
    int year;
    
    public String serialize() {
        ObjectMapper objectMapper = new ObjectMapper();
        try {
            return objectMapper.writeValueAsString(this);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
            return null;
        }
    }
    
    public static Car deserialize(String json) {
        ObjectMapper objectMapper = new ObjectMapper();
        try {
            return objectMapper.readValue(json, Car.class);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
            return null;
        }
    }
}

public class App {
    public static void save(Path path, Car car) {
        try {
            Files.write(path, car.serialize().getBytes());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    public static Car extract(Path path) {
        try {
            String json = Files.readString(path);
            return Car.deserialize(json);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}