import com.google.gson.Gson;
public class Main {
public static void main(String[] args) {
Person person = new Person("John", 30);
Gson gson = new Gson();
String json = gson.toJson(person);
System.out.println(json);
String json2 = "{\"name\":\"Alice\",\"age\":25}";
Person person2 = gson.fromJson(json2, Person.class);
System.out.println(person2.getName() + ", " + person2.getAge());
}
}
class Person {
private String name;
private int age;
}
import com.fasterxml.jackson.databind.ObjectMapper;
public class Main {
public static void main(String[] args) throws Exception {
Person person = new Person("John", 30);
ObjectMapper objectMapper = new ObjectMapper();
String json = objectMapper.writeValueAsString(person);
System.out.println(json);
String json2 = "{\"name\":\"Alice\",\"age\":25}";
Person person2 = objectMapper.readValue(json2, Person.class);
System.out.println(person2.getName() + ", " + person2.getAge());
}
}
class Person {
private String name;
private int age;
}
<!-- Gson -->
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.7</version>
</dependency>
<!-- Jackson -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.3</version>
</dependency>
