分享一段代码:主方法import java.sql.SQLOutput;import java.util.*;import java.awt.*;public class hello { public static void main(String []avgs) { Frame f=new Frame(); f.setTitle("表白"); f.setSize(800,800); panel p=new panel(); f.add(p); f.setLocationRelativeTo(null); f.setVisible(true); }}类方法:import java.awt.*;public class panel extends Panel { public void paint(Graphics g) { Font f=new Font("黑体",Font.ITALIC,50); g.setFont(f); g.drawString("宝马",300,100); Color c=new Color(0,0,0); g.setColor(c); g.fillOval(225,200,300,300); Color c1=new Color(255,255,255); g.setColor(c1); g.fillOval(250,225,250,250); Color c2=new Color(0,0,255); g.setColor(c2); g.fillArc(250,225,250,250,90,90); g.fillArc(250,225,250,250,270,90); }}