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);
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);
// create an open menu and to sub-menu items
final MenuItem openItem = new MenuItem(filemenu, SWT.CASCADE);
openItem.setText("Open");
final Menu submenu = new Menu(s, SWT.DROP_DOWN);
openItem.setMenu(submenu);
final MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
childItem.setText("Child");
final MenuItem dialogItem = new MenuItem(submenu, SWT.PUSH);
dialogItem.setText("Dialog");
// add a separator
final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
// create an exit menu item
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();
}
}