在Java Swing中更改许多JButtons的标签

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

public class ButtonLabelChangeExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Button Label Change Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLayout(new FlowLayout());

        JButton button1 = new JButton("Button 1");
        JButton button2 = new JButton("Button 2");
        JButton button3 = new JButton("Button 3");

        frame.add(button1);
        frame.add(button2);
        frame.add(button3);

        ActionListener listener = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JButton source = (JButton) e.getSource();
                String currentLabel = source.getText();
                String newLabel = currentLabel + " Clicked";
                source.setText(newLabel);
            }
        };

        button1.addActionListener(listener);
        button2.addActionListener(listener);
        button3.addActionListener(listener);

        frame.pack();
        frame.setVisible(true);
    }
}