单击需要在Java中更改的按钮颜色

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

public class ButtonColorChangeExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Button Color Change Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);

        JPanel panel = new JPanel();
        JButton button = new JButton("Click me!");
        panel.add(button);

        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                button.setBackground(Color.RED); // 更改按钮颜色为红色
            }
        });

        frame.add(panel);
        frame.setVisible(true);
    }
}