수다닷컴

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;public class CardTest extends JFrame implements ActionListener
{

private JPanel mp1 = new JPanel();
private JPanel mp2 = new JPanel();
private JLabel jL1 = new JLabel(패널1);
private JLabel jL2 = new JLabel(패널2);
private JButton b = new JButton(확인);

private CardLayout card = new CardLayout();public CardTest() {
mp1.add(jL1);
mp2.add(jL2);
mp1.add(b);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLayout(card);
this.add(mp1, mp1);
this.add(mp2, mp2);
b.addActionListener(this);
this.setVisible(true);

}

public void actionPerformed(ActionEvent e) {
try
{
card.show(this, mp2);
}
catch (Exception ee)
{
ee.printStackTrace();
}

}public static void main(String[] args) {
CardTest f = new CardTest();
f.setSize(200,200);
}
}급조로 만든 테스트용 코드 입니다.

버튼을 누르면 패널이 바껴야 되는데 예외가 발생..

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