jackson object to json

1ObjectMapper objectMapper = new ObjectMapper();
2
3String carJson =
4    "{ \"brand\" : \"Mercedes\", \"doors\" : 5 }";
5
6try {
7    Car car = objectMapper.readValue(carJson, Car.class);
8
9    System.out.println("car brand = " + car.getBrand());
10    System.out.println("car doors = " + car.getDoors());
11} catch (IOException e) {
12    e.printStackTrace();
13}
14

1ObjectMapper objectMapper = new ObjectMapper();
2Car car = new Car("yellow", "renault");
3objectMapper.writeValueAsString(car);
4

1val objectMapper = ObjectMapper()
2val car = Car("yellow", "renault")
3objectMapper.writeValueAsString(car)