Convert List to Json in java

                          Convert ArrayList to Json in java


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import java.util.ArrayList;
import java.util.List;

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


public class ListToJson {
public static void main(String[] args) throws JSONException {
List<String> list = new ArrayList<String> ();
list.add("Jay");
list.add("Hiren");
list.add("Jignesh");

convertListToJson(list);
}

public static void convertListToJson(List<String> list) throws JSONException{

int size = list.size();

JSONArray obj = new JSONArray();
JSONObject main = new JSONObject();

for(int i=0 ; i<size ; i++){
obj.put(i);
}
main.accumulate("data", obj);

System.out.println(main.toString());

}
}