first version

main.cpp

@@ -1,11 +1,11 @@
-#include "mainwindow.h"
-
 #include <QApplication>
+#include "mainwindow.h"
 
 int main(int argc, char *argv[])
 {
-    QApplication a(argc, argv);
-    MainWindow w;
-    w.show();
-    return a.exec();
+    QApplication app(argc, argv);
+    MainWindow mainWindow;
+
+    mainWindow.show();
+    return app.exec();
 }