yours

MenuBarModel menuBarModel = new MenuBarModel();
MenuBarView menuBarView = new MenuBarView(menuBarModel);
MenuBarController menuBarController = new MenuBarController(menuBarView, menuBarModel);

class MenuBarController
{
    MenuBarModel model;
    MenuBarView view;

    MenuBarController(MenuBarModel model,MenuBarView view)
    {
        this.model=model;
        this.view=view;
    }
}

mine

yours

MenuBarController menuBarController = new MenuBarController();

class MenuBarController
{
    MenuBarModel menuBarModel = new MenuBarModel();
    MenuBarView menuBarView = new MenuBarView(menuBarModel);
}