setLayout(cards);
ActionListener listener = new ActionListener( ) {
public void actionPerformed(ActionEvent e) {
cards.next(Card.this);
}
};
JButton button;
button = new JButton("one");
button.addActionListener(listener);
add(button, "one");
button = new JButton("two");
button.addActionListener(listener);
add(button, "two");
button = new JButton("three");
button.addActionListener(listener);
add(button, "three");