text: /*****************************************************
   *
   * Author: Roman Alshehri
   * Data: Dec 28, 2017
   *
   * This program show how to use the following widget in Qt:
   *      1. QGridLayout
   *      2. QGroupBox
   *      3. QRadioButton
   *      4. QVBoxLayout
   *      5. QMenu
   *
   *
   * **/
  
  #include <QApplication>
  
  #include "windows.h"
  
  int main(int argc, char *argv[])
  {
      QApplication a(argc, argv);
  
      windows w;
      w.show();
  
      return a.exec();
  }
  