JSON array get length

Question

I can't get the array length of the JSON array. when I using length(); method it is not working, it show as red underline in Netbeans

this is the source code

 try {          JSONObject myjson = JSONObject.fromObject(practiceInfoByUsername);          //JSONArray nameArray = myjson.names();         final JSONArray jar = myjson.getJSONArray("_types");         for(int i=0; i<jar.length(); i++)         {             String p = jar.getString(i);             Log.i("p",p);           }      } catch (JSONException e) {             e.printStackTrace();     } 

Answer 1

Note: if you're using(importing) org.json.simple.JSONArray, you have to use JSONArray.size() to get the data you want. But use JSONArray.length() if you're using org.json.JSONArray.