/* Create and show the graphical user interface. */
private static void createAndShowGUI() {
JFrame frame = new JFrame("My Collapsing Puzzle");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Game game = new Game();
frame.setJMenuBar(game.createMenuBar());
frame.setContentPane(game.createContentPane());
frame.setSize(game.getGameSize());
frame.setVisible(true);
}
