有没有一种合适的方式来在Java Swing上的单个JFrame上显示不同的组件集？

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

public class CardLayoutExample extends JFrame implements ActionListener {
    private CardLayout cardLayout;
    private JPanel cardPanel;

    public CardLayoutExample() {
        cardLayout = new CardLayout();
        cardPanel = new JPanel(cardLayout);

        // 创建并添加不同的卡片（组件集）
        JPanel card1 = new JPanel();
        card1.add(new JLabel("Card 1"));

        JPanel card2 = new JPanel();
        card2.add(new JLabel("Card 2"));

        cardPanel.add(card1, "Card 1");
        cardPanel.add(card2, "Card 2");

        // 创建按钮并添加事件监听器
        JButton button1 = new JButton("Show Card 1");
        JButton button2 = new JButton("Show Card 2");
        button1.addActionListener(this);
        button2.addActionListener(this);

        // 将按钮添加到顶部面板
        JPanel buttonPanel = new JPanel();
        buttonPanel.add(button1);
        buttonPanel.add(button2);

        // 添加卡片面板和按钮面板到主窗口
        getContentPane().add(cardPanel, BorderLayout.CENTER);
        getContentPane().add(buttonPanel, BorderLayout.NORTH);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(300, 200);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getActionCommand().equals("Show Card 1")) {
            cardLayout.show(cardPanel, "Card 1");
        } else if (e.getActionCommand().equals("Show Card 2")) {
            cardLayout.show(cardPanel, "Card 2");
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new CardLayoutExample();
            }
        });
    }
}