AWTHomework6 (not completed)

package awtHomework6;
import java.awt.*;
import java.awt.event.*;

public class AWTHomework6 extends Frame {

    MenuBar menu = new MenuBar();
    Menu file, edit, help;
    MenuItem neu, open, save, exit;
    MenuItem copy, paste, cut, clear;
    CheckboxMenuItem bold, italic;
    MenuItem about;
    TextArea txtArea;

    public AWTHomework6() {
        // file
        neu = new MenuItem("New");
        neu.addActionListener( new ActionPerformed());
        open = new MenuItem("Open");
        save = new MenuItem("Save");
        exit = new MenuItem("Exit");
        file = new Menu("File");
        file.add(neu);
        file.add(open);
        file.add(save);
        file.addSeparator();
        file.add(exit);

        // edit
        copy = new MenuItem("Copy");
        paste = new MenuItem("Paste");
        cut = new MenuItem("Cut");
        clear = new MenuItem("Clear");
        bold = new CheckboxMenuItem("Bold", false);
        italic = new CheckboxMenuItem("Italic", false);
        edit = new Menu("Edit");
        edit.add(copy);
        edit.add(paste);
        edit.add(cut);
        edit.add(clear);
        edit.add(bold);
        edit.add(italic);

        // help
        about = new MenuItem("About");
        help = new Menu("Help");
        help.add(about);

        txtArea = new TextArea();
        menu.add(file);
        menu.add(edit);
        menu.add(help);
        this.setMenuBar(menu);
        this.add(txtArea);
        this.setTitle("My First Text Editor");
        this.setSize(600,400);
        this.setVisible(true);
        this.addWindowListener( new WindowClosing());
    }



/*  MenuBar menu = new MenuBar();
    MenuItem a, b, c;
    Menu aa,bb,cc;

    public AWTHomework6() {
        a = new MenuItem("a?", new MenuShortcut(KeyEvent.VK_S, false));
        aa = new Menu("LOL");
        aa.add( a);
        aa.addSeparator();
        aa.add(new MenuItem("zz", new MenuShortcut(KeyEvent.VK_3)));
        bb = new Menu();
        cc = new Menu();
        menu.add(aa);
        menu.add(bb);
        menu.add(cc);
        this.setMenuBar(menu);
        this.setTitle("");
        this.setSize(400, 600);
        this.setVisible( true);
        this.addWindowListener( new WindowClosing());
    } */

    public static void main(String[] args) {
        new AWTHomework6();
    }

    class ActionPerformed implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            if( e.getSource() == neu ) {
                txtArea.setText("");
                Dialog dialog = new Dialog (AWTHomework6.this, "Are you sure?", true);
                dialog.setLayout( new FlowLayout());
                dialog.add( new Label("Do you want to save current text?"));
                dialog.add( new Button("Yes"));
                dialog.add( new Button("No"));
                dialog.add( new Button("Cancel"));
                dialog.pack();
                dialog.addWindowListener( new WindowClosing());
                dialog.setVisible( true);

            }
        }
    }

    class WindowClosing extends WindowAdapter {
        public void windowClosing( WindowEvent e) {
            System.exit(0);
        }
    }
}