java随机弹窗代码

运行环境：IDEA

JAVA版本：jdk1.8

import javax.swing.*;
import java.awt.*;
import java.util.Random;

public class Dog extends JFrame {
    public Dog(int x,int y,int num){
        setTitle("http://5hx.ink");
        setBounds(x,y,350,150);
        getContentPane().setLayout(null);
        JPanel panel = new JPanel();
        panel.setBounds(0, 0, 350, 200);
        Color color[] = {Color.GREEN,Color.BLUE,Color.cyan,Color.MAGENTA,Color.RED,Color.YELLOW,Color.PINK,Color.WHITE};
        panel.setBackground(color[num]);
        getContentPane().add(panel);
        JLabel label1 = new JLabel("你行不行啊，细狗~");
        label1.setFont(new Font("宋体", Font.BOLD,26));
        panel.add(label1);
        setVisible(true);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    public static void main(String[] args) throws  Exception{
        for (int i = 0; i < 50; i++) {
            Random random = new Random();
            int x = random.nextInt(1300)+100;
            int y = random.nextInt(600)+100;
            int num = random.nextInt(8);
            new Dog(x,y,num);
            Thread.sleep(100);
        }
    }
}