text: #include <QCoreApplication>
  #include <QDebug>
  #include <tcpserverhandler.h>
  
  int main(int argc, char *argv[])
  {
      QCoreApplication a(argc, argv);
      qDebug() << QT_VERSION_STR;
      int portNumber = 2233;
      new TcpServerHandler(portNumber);
      return a.exec();
  }
  