Need full details for below function for same.   public static int getTransactions(int userId, int locationId, int netStart, int netEnd) { int total = 0; Double totalAmount = 0.0; try { String url = "? userId="+userId; URL obj = new URL(url); HttpURLConnection con = (HttpURLConnection) obj.openConnection(); con.setRequestMethod("GET"); con.setRequestProperty("Accept", "application/json"); int responseCode = con.getResponseCode(); BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream())); String inputLine; StringBuffer response = new StringBuffer(); while ((inputLine = in.readLine()) != null) { response.append(inputLine); } in.close(); String result=response.toString(); JSONParser parser=new JSONParser(); JSONObject objeto = (JSONObject)parser.parse(result); JSONArray data = (JSONArray) objeto.get("data"); String page = objeto.get("data").toString(); int totalPag = Integer.parseInt(objeto.get("total_pages").toString()); for(int j=1; j<=totalPag; j++){ url = "? userId="+userId+"&page="+j; obj = new URL(url); con = (HttpURLConnection) obj.openConnection(); con.setRequestMethod("GET");