画笔案例-2022-12-10

import java.awt.*;

public class testPaintDemo09 {
    public static void main(String[] args) {
        new myPaint().loadFrame();

    }
}

class myPaint extends Frame {
    public void loadFrame(){
        setBounds(200,200,500,400);
        setVisible(true);
    }

    public void paint(Graphics g) {
        // super.paint(g);
        g.setColor(Color.BLUE);
        g.drawOval(100,100,100,100);
        g.setColor(Color.GRAY);
        g.fillOval(200,100,100,100);
        g.setColor(Color.RED);
        g.fillRect(200,200,200,100);
    }
}