java爱心代码，脱单必备

package com.example.test;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.util.jar.JarOutputStream;
import javax.swing.JFrame;
class Cardioid extends JFrame {
//定义窗口大小
    private static final int WIDTH = 900;
    private static final int HEIGHT = 800;
//获取屏幕大小
    private static final int WINDOW_WIDTH = Toolkit.getDefaultToolkit().getScreenSize().width;
    private static final int WINDOW_HEIGHT = Toolkit.getDefaultToolkit().getScreenSize().height;
//构造函数
    public Cardioid() {
//设置窗口标题
        super("♥爱心");
//设置背景色
        this.setBackground(Color.BLACK);
//设置窗口位置
        this.setLocation((WINDOW_WIDTH - WIDTH) / 2, (WINDOW_HEIGHT - HEIGHT) / 2);
//设置窗口大小
        this.setSize(WIDTH, HEIGHT);
//设置窗口布局
        this.setLayout(getLayout());
//设置窗口可见
        this.setVisible(true);
//设置窗口的默认关闭方式
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
//图形函数
    public void paint(Graphics g) {
//横纵坐标及半径
        double x, y, r;
//绘制图形
        double z = 0.0;
        double size=10;
        int jj=0;
        while (true) {
            Image image = this.createImage(WIDTH, HEIGHT);
            Graphics pic = image.getGraphics();
             if (jj%2==0){
                 size=14.5;
             }else {
                 size=15;
             }
            for (int ii = 30; ii > 0; ii--) {
                Color color = new Color(255, 175, (int) (20 * Math.random()) + 220);
                for (int i = 1; i 100){
                break;
            }
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
public class Love {
    public static void main(String[] args) {
        new Cardioid();
    }
}

结果入下：