Create JSONArray from a collection, list, set, queue

JSONArray constructor takes a collection as argument and construct JSONArray instance from the collection elements.

List<String> hobbies = new ArrayList<> ();

hobbies.add("Chess");

hobbies.add("Tennis");

hobbies.add("Cricket");

JSONArray jsonArray = new JSONArray(hobbies);

App.java

package com.sample;

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

import org.json.JSONArray;

public class App {

 public static void main(String args[]) {
  List<String> hobbies = new ArrayList<> ();
  hobbies.add("Chess");
  hobbies.add("Tennis");
  hobbies.add("Cricket");
  
  JSONArray jsonArray = new JSONArray(hobbies);
 

  System.out.println(jsonArray);

 }
}

Output

["Chess","Tennis","Cricket"]

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