What to use @SerializedName annotation using Gson in Java?

The @SerializedName annotation can be used to serialize a field with a different name instead of an actual field name. We can provide the expected serialized name as an annotation attribute, Gson can make sure to read or write a field with the provided name.


public @interface SerializedName


import com.google.gson.*;
import com.google.gson.annotations.*;
public class SerializedNameTest {
   public static void main(String args[]) {
      Gson gson = new GsonBuilder().setPrettyPrinting().create();
      Person person = new Person(115, "Raja Ramesh", "Hyderabad");
      String jsonStr = gson.toJson(person);
// Person class
class Person {
   private int personId;
   private String personName;
   private String personAddress;
   public Person(int personId, String personName, String personAddress) {
      this.personId = personId;
      this.personName = personName;
      this.personAddress = personAddress;
   public int getPersonId() {
      return personId;
   public String getPersonName() {
      return personName;
   public String getPersonAddress() {
      return personAddress;


 "id": 115,
 "name": "Raja Ramesh",
 "personAddress": "Hyderabad"

Updated on: 09-Jul-2020

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