ObjectMapper objectMapper = new ObjectMapper();
public class User {
private String name;
private int age;
}
public class Main {
public static void main(String[] args) throws JsonProcessingException {
User user = new User();
user.setName("Tom");
user.setAge(20);
ObjectMapper objectMapper = new ObjectMapper();
String json = objectMapper.writeValueAsString(user);
}
}
public class User {
private String name;
private int age;
}
public class Main {
public static void main(String[] args) throws JsonProcessingException {
String json = "{\"name\":\"Tom\",\"age\":20}";
ObjectMapper objectMapper = new ObjectMapper();
User user = objectMapper.readValue(json, User.class);
}
}
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd"));
objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
