可以用java/swing编写屏幕上的画图程序吗？

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;

public class SimpleDrawingApp extends JFrame {
    private DrawingPanel drawingPanel;

    public SimpleDrawingApp() {
        setTitle("Simple Drawing App");
        setSize(800, 600);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        drawingPanel = new DrawingPanel();
        add(drawingPanel);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            SimpleDrawingApp app = new SimpleDrawingApp();
            app.setVisible(true);
        });
    }

    class DrawingPanel extends JPanel {
        private ArrayList<Shape> shapes = new ArrayList<>();
        private Shape currentShape;
        private Point startPoint;

        public DrawingPanel() {
            addMouseListener(new MouseAdapter() {
                @Override
                public void mousePressed(MouseEvent e) {
                    startPoint = e.getPoint();
                    currentShape = new Line(startPoint, startPoint);
                }

                @Override
                public void mouseReleased(MouseEvent e) {
                    shapes.add(currentShape);
                    repaint();
                }
            });

            addMouseMotionListener(new MouseAdapter() {
                @Override
                public void mouseDragged(MouseEvent e) {
                    currentShape.setEndPoint(e.getPoint());
                    repaint();
                }
            });
        }

        @Override
        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            for (Shape shape : shapes) {
                shape.draw(g);
            }
            if (currentShape != null) {
                currentShape.draw(g);
            }
        }
    }

    interface Shape {
        void draw(Graphics g);
        void setEndPoint(Point endPoint);
    }

    class Line implements Shape {
        private Point startPoint, endPoint;

        public Line(Point startPoint, Point endPoint) {
            this.startPoint = startPoint;
            this.endPoint = endPoint;
        }

        @Override
        public void draw(Graphics g) {
            g.drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y);
        }

        @Override
        public void setEndPoint(Point endPoint) {
            this.endPoint = endPoint;
        }
    }
}