JSONObject java

String message;
JSONObject json = new JSONObject();
json.put("name", "student");

JSONArray array = new JSONArray();
JSONObject item = new JSONObject();
item.put("information", "test");
item.put("id", 3);
item.put("name", "course1");
array.add(item);

json.put("course", array);

message = json.toString();

// message
// {"course":[{"id":3,"information":"test","name":"course1"}],"name":"student"}

import org.json.simple.JSONObject;

class JsonEncodeDemo {

   public static void main(String[] args) {
      JSONObject obj = new JSONObject();

	    inputJSON.put("subscriberName", "subscriber");
	    inputJSON.put("msisdn","7055389495");

      System.out.print(obj);
   }
}