Prelelele

public static void main(String args[]) throws MalformedURLException, IOException, JSONException{
        String urlParameters  = "username=14650015&password=admin";
        byte[] postData       = urlParameters.getBytes( StandardCharsets.UTF_8 );
        int    postDataLength = postData.length;
        String request        = "http://ios.pdef.space/auth.php";
        URL    url            = new URL( request );
        HttpURLConnection conn= (HttpURLConnection) url.openConnection();
        conn.setDoOutput( true );
        conn.setInstanceFollowRedirects( false );
        conn.setRequestMethod( "POST" );
        conn.setRequestProperty( "Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestProperty( "charset", "utf-8");
        conn.setRequestProperty( "Content-Length", Integer.toString( postDataLength ));
        conn.setUseCaches( false );
        try( DataOutputStream wr = new DataOutputStream( conn.getOutputStream())) {
           wr.write( postData );
           BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
            String output =br.readLine();
            // Mendapatkan Hasil Dari JSON Standard
            JSONObject json = new JSONObject(output);
            // Membuat Object
            //JSONObject presensi = json.getJSONObject("presensi");
            // Membaca Data Latest Update
            String message = json.getString("message");
            System.out.print("Status Login : ");
            System.out.println(message);
        }
    }