JFrame f = new JFrame();
f.addWindowListener(new BasicWindowMonitor());
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add("Open");
menu.add("Close");
// Shortcuts provided by JFrame (and other RootPaneContainers)...
f.setJMenuBar(bar);
f.getContentPane().add(new JButton("Hello World"));
f.pack();
f.setVisible(true);
