---
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.13.0</version>
</dependency>
import com.fasterxml.jackson.databind.ObjectMapper;
public class JsonSerializationExample {
public static void main(String[] args) throws Exception {
ObjectMapper mapper = new ObjectMapper();
String jsonString = mapper.writeValueAsString(person);
System.out.println(jsonString);
}
}
class Person {
private String name;
private int age;
}
import com.fasterxml.jackson.databind.ObjectMapper;
public class JsonDeserializationExample {
public static void main(String[] args) throws Exception {
ObjectMapper mapper = new ObjectMapper();
Person person = mapper.readValue(jsonString, Person.class);
System.out.println(person.getName());
System.out.println(person.getAge());
}
}
class Person {
private String name;
private int age;
}
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
public class JacksonConfigExample {
public static void main(String[] args) throws Exception {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
System.out.println(mapper.writerWithDefaultPrettyPrinter().writeValueAsString(mapper.getSerializationConfig()));
}
}
---
