import com.fasterxml.jackson.databind.ObjectMapper;
public class JsonExample {
public static void main(String[] args) {
ObjectMapper objectMapper = new ObjectMapper();
Person person = new Person("Alice", 25);
try {
String json = objectMapper.writeValueAsString(person);
System.out.println(json);
} catch (Exception e) {
e.printStackTrace();
}
String json = "{\"name\":\"Bob\",\"age\":30}";
try {
Person person = objectMapper.readValue(json, Person.class);
System.out.println(person.getName() + ", " + person.getAge());
} catch (Exception e) {
e.printStackTrace();
}
}
}
class Person {
private String name;
private int age;
// getters and setters
public Person(String name, int age) {
this.name = name;
this.age = age;
}
}
