public void init() { frame = new JFrame(); frame.setLayout(new FlowLayout()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setTitle("PersistentFrameTest"); frame.setSize(400, 200); JButton loadButton = new JButton("Load"); frame.add(loadButton); loadButton.addActionListener(EventHandler.create(ActionListener.class, this, "load")); JButton saveButton = new JButton("Save"); frame.add(saveButton); saveButton.addActionListener(EventHandler.create(ActionListener.class, this, "save")); frame.setVisible(true); }