Creating and Enriching Graphical User Interfaces - Beginning Java 7 - page 615

import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.Panel;
import java.awt.ScrollPane;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
class ImageViewer
{
static ImageCanvas ic;
static ScrollPane sp;
static Toolkit tk = Toolkit.getDefaultToolkit();
static ImageCanvas createGUI(final Frame f)
{
MenuBar mb = new MenuBar();
Menu mFile = new Menu("File");
MenuItem miOpen = new MenuItem("Open...");
ActionListener al;
al = new ActionListener()
{
@Override
public void actionPerformed(ActionEvent ae)
{
FileDialog fd = new FileDialog(f, "Open
file");
fd.setVisible(true);
String curFile = fd.getFile();
if (curFile != null)
{
ic.setImage(tk.getImage(fd.getDirectory()+curFile));
sp.doLayout();