<dependencies>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.3</version>
</dependency>
</dependencies>
dependencies {
implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.3'
}
public 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 {
ObjectMapper objectMapper = new ObjectMapper();
Person person = new Person();
person.setName("Tom");
person.setAge(25);
String json = objectMapper.writeValueAsString(person);
System.out.println(json);
}
}
{"name":"Tom","age":25}
import com.fasterxml.jackson.databind.ObjectMapper;
public class Main {
public static void main(String[] args) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
String json = "{\"name\":\"Tom\",\"age\":25}";
Person person = objectMapper.readValue(json, Person.class);
}
}
Tom
25
