Map with Queeue and Agents

   Map<String, List<String>> QueueList = new HashMap<String, List<String>>();
        try {
            String strParamsJson = "{ReportId:912, UserId:\"" + strUserName + "\",Params:{}}";
            DataCache objDataCache = new DBDataRetriver();
            JSONObject jsobjct = (JSONObject) JSONSerializer.toJSON(strParamsJson);
            jsobjct = (JSONObject) objDataCache.cacheAndFetchData(jsobjct);
            System.out.println("loadQueue  client info is::::: " + jsobjct);
           JSONArray  jArr= null;
            if (jsobjct.get("Data") != null) {
               jArr = jsobjct.getJSONArray("Data");
               JOptionPane.showConfirmDialog(null, jArr);

            }
           int sizeOfjArr= jArr.size();





        for (int i = 0; i < sizeOfjArr; i++) {

        JSONObject jSONObject=jArr.getJSONObject(i);

        String QueueNAme = jSONObject.getString("QUEUENAME");

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



        for (int i1 = 0; i1 < sizeOfjArr; i1++) {


            JSONObject jSONObject1 = jArr.getJSONObject(i1);


            if (QueueNAme.equals(jSONObject1.getString("QUEUENAME"))) {

                Queues.add(jSONObject1.getString("AGENTNAME"));

            }

        }
        QueueList.put(QueueNAme, Queues);

        }

        JOptionPane.showConfirmDialog(null, QueueList);