JFrame window = new JFrame("Het Dieter-Sander-Nick-Tom-Episch-Framework");
JPanel panel = new JPanel(new BorderLayout());
StartScreenModel startScreenModel = new StartScreenModel(window);
panel.add(new StartScreen(startScreenModel));
window.add(panel);
window.pack();
window.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); // Override voor bevestiging: