DefaultButtonModelCrashTest.java 文件源码

private void go() {

        frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();
        ButtonModel model = new DefaultButtonModel();

        JCheckBox check = new JCheckBox("a bit broken");
        check.setModel(model);
        panel = new JPanel(new BorderLayout());
        panel.add(new JTextField("Press Tab (twice?)"), BorderLayout.NORTH);
        panel.add(check);
        contentPane.add(panel);
        frame.setLocationRelativeTo(null);
        frame.pack();
        frame.setVisible(true);
    }