panel = new Panel();
cardlay = new CardLayout();
b1 = new Button("Next");
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if (++cardno >= NCARDS)
cardno = 0;
cardlay.show(panel, labels[cardno]);
}
});
labels[0] = "Card One";
labels[1] = "Card Two";
labels[2] = "Card Three";
labels[3] = "Card Four";
panel.setLayout(cardlay);
for (int i=0; i<NCARDS; i++)
panel.add(labels[i], new Label(labels[i]));
cardlay.show(panel, labels[0]);
setLayout(new BorderLayout());
add("Center", panel);
add("South", b1);
