import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Color;
import java.awt.geom.Ellipse2D;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;

/**
 * SwingApp.java
 *
 *
 *
 * @author 
 * @version
 */

public class SwingApp extends JFrame {

    class Canvas extends JPanel {

        public Canvas () {
            setSize(getPreferredSize());
            Canvas.this.setBackground(Color.white);
        }

        public Dimension getPreferredSize() {
            return new Dimension(600, 600);
        }

        public void paintComponent(Graphics g) {
            super.paintComponent(g);
            Graphics2D g2d = (Graphics2D) g;
            Ellipse2D circle = new Ellipse2D.Double(0d, 0d, 100d, 100d);
            g2d.setColor(Color.red);
            g2d.translate(10, 10);
            g2d.draw(circle);
            g2d.fill(circle);
        }

    }

    public SwingApp() {
        super("A Simple Swing Application");
        setSize(300, 300);
        addWindowListener(new WindowAdapter() {
                              public void windowClosing(WindowEvent e) {
                                  System.exit(0);
                              }
                              public void windowOpened(WindowEvent e) {}
                          }
                         );
        setJMenuBar(createMenu());
        getContentPane().add(new JScrollPane(new Canvas()));
    }

    public static void main(String[] args) {

        SwingApp f = new SwingApp();
        f.show();

    }

    protected JMenuBar createMenu() {
        JMenuBar mb = new JMenuBar();
        JMenu menu = new JMenu("File");
        menu.add(new AbstractAction("Exit") {
                     public void actionPerformed(ActionEvent e) {
                         System.exit(0);
                     }
                 }
                );
        mb.add(menu);
        return mb;
    }

} // SwingApp