try {

            //success but cannot read and output for different language
            //br = new BufferedReader(new FileReader("C:\Users\brian_000\Desktop\appdatafile.json"));


            //result in java.lang.OutOfMemoryError: Java heap space
            br = new BufferedReader(new InputStreamReader(new FileInputStream("C:\Users\brian_000\Desktop\appdatafile.json"), "UTF-16"));
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }