import org.json.JSONException;
import org.json.JSONObject;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.stream.JsonReader;
  
class Person {
    private int id;
    private String name;
    private List <Integer> list;

    public Person(int id, String name, List <Integer> list){
        this.id = id;
        this.name = name;
        this.list = list;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List getList(){
        return list;
    }

    public void setList(List list){
        this.list = list;
    }

    @Override
    public String toString() {
        String s = "";
        for(Integer n : list){
            s += n.toString() + " ";
        }
        return "Person{" + "id=" + id + ", name=" + name + "," + "list=" + s + "}";
    }
}

  // Object to json
  List ls = list(1, 2, 3);
  Gson gson = new Gson();
  Person person = new Person(10, "Leanna", ls);
  String json = gson.toJson(person);
  fl("Person to Json");
  pl("json=" + json);

  // Json to object
  Person p = gson.fromJson(json, Person.class);
  fl("Json to Person");
  pl("Person=" + p.toString());