(Java) repaint()在随机时间执行

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

public class RandomRepaintExample extends JFrame {
    private Timer timer;

    public RandomRepaintExample() {
        timer = new Timer(getRandomInterval(), new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                repaint();
                timer.setDelay(getRandomInterval());
            }
        });
        timer.start();

        // 其他界面组件的初始化和添加
        // ...

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(400, 400);
        setVisible(true);
    }

    @Override
    public void paint(java.awt.Graphics g) {
        super.paint(g);
        // 绘制界面的逻辑
        // ...
    }

    private int getRandomInterval() {
        Random random = new Random();
        return random.nextInt(5000) + 1000; // 随机生成1000到6000毫秒之间的时间间隔
    }

    public static void main(String[] args) {
        new RandomRepaintExample();
    }
}