<dependency>
<groupId>org.apache.johnzon</groupId>
<artifactId>johnzon-core</artifactId>
<version>1.2.10</version>
</dependency>
import javax.json.bind.annotation.JsonbProperty;
public class Person {
@JsonbProperty("name")
private String firstName;
@JsonbProperty("age")
private int age;
public Person(String firstName, int age) {
this.firstName = firstName;
this.age = age;
}
// Getters and Setters
}
import org.apache.johnzon.mapper.MapperBuilder;
import javax.json.bind.Jsonb;
import javax.json.bind.JsonbBuilder;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
public class JsonSerializationExample {
public static void main(String[] args) {
// Create a person object
Person person = new Person("John", 30);
// Serialize the person object to JSON
Jsonb jsonb = JsonbBuilder.create();
String json = jsonb.toJson(person);
// Write the JSON data to a file
try (FileWriter fileWriter = new FileWriter("person.json")) {
fileWriter.write(json);
} catch (IOException e) {
e.printStackTrace();
}
// Read the JSON data from the file and deserialize it to a person object
try {
byte[] jsonData = Files.readAllBytes(Paths.get("person.json"));
Person deserializedPerson = jsonb.fromJson(new String(jsonData), Person.class);
System.out.println("Name: " + deserializedPerson.getFirstName());
System.out.println("Age: " + deserializedPerson.getAge());
} catch (IOException e) {
e.printStackTrace();
}
}
}
