Java by API/org.eclipse.swt.widgets/Menu

new Menu(Decorations parent, int style)

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 );
    MenuItem file = new MenuItem(m, SWT.CASCADE);
    file.setText("File");
    Menu filemenu = new Menu(s, SWT.DROP_DOWN);
    file.setMenu(filemenu);
    MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
    openItem.setText("Open");
    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();
  }
}