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 < 400; i++) {//                try {//                    Thread.sleep(10);//                } catch (InterruptedException e) {//                    e.printStackTrace();//                }                    int px = (int) (Math.random() * 10);                    int py = (int) (Math.random() * 10);                    x = 16 * (Math.sin(z) * Math.sin(z) * Math.sin(z)) * (size) + Math.pow((-1), px) * Math.random() * ii * Math.sqrt(ii) + WIDTH / 2;                    y = -(13 * Math.cos(z) - 5 * Math.cos(2 * z) - 2 * Math.cos(3 * z) - Math.cos(4 * z)) * (size) + Math.pow((-1), py) * Math.random() * ii * Math.sqrt(ii) + HEIGHT * 1 / 3;                    z += (Math.PI / 2.0) / 80;                    pic.setColor(color);//                pic.setColor(new Color(0, 255, 255));                    pic.fillOval((int) x, (int) y, 2, 2);//                g.drawImage(image, 0, 0, this);                }//                if (ii < 12) {//                    g.drawImage(image, 0, 0, this);//                    try {//                        Thread.sleep(100);//                    } catch (InterruptedException e) {//                        e.printStackTrace();//                    }//                }                if (ii < 3) {                    pic.setFont(new Font("楷体", Font.BOLD, 40));//设置字体                    pic.setColor(Color.pink);                    pic.drawString("Love You", WIDTH / 2 - 100, 240);//绘制字符串                    pic.drawString("Forever", WIDTH / 2, 280);//绘制字符串                    g.drawImage(image, 0, 0, this);                }            }            jj++;            if (jj>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：