<dependencies>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.5</version>
</dependency>
</dependencies>
public class Person {
private String name;
private int age;
public Person() {}
public Person(String name, int age) {
this.name = name;
this.age = age;
}
// ...
}
import com.fasterxml.jackson.databind.ObjectMapper;
public class Main {
public static void main(String[] args) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
String json = objectMapper.writeValueAsString(person);
System.out.println(json);
}
}
json
import com.fasterxml.jackson.databind.ObjectMapper;
public class Main {
public static void main(String[] args) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
Person person = objectMapper.readValue(json, Person.class);
System.out.println(person.getName());
System.out.println(person.getAge());
}
}
25
