import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display d = new Display();
Shell s = new Shell(d);
s.setText("A Shell Menu Example");
Menu m = new Menu(s, SWT.BAR);
// create a file menu and add an exit item
final MenuItem file = new MenuItem(m, SWT.CASCADE);
file.setText("File");
final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
file.setMenu(filemenu);
final MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
openItem.setText("Open");
final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
exitItem.setText("Exit");
s.setMenuBar(m);
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}