public void sauvegarder() {
		File f = new File("./sauvegarde.save");
		if(f.exists()){
			f.delete();
		}
		FileOutputStream file;
		try {
			file = new FileOutputStream(f);
			ObjectOutputStream output = new ObjectOutputStream(file);
			output.writeObject(fenetre.boutons);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		System.exit(0);
		
	}