How to use

java.awt.MenuBar

constructor

private MenuBar createMenuBar() {
  MenuBar ret=new MenuBar();
  Menu file=new Menu("File");
  MenuItem quitm=new MenuItem("Quit");
  ret.setFont(def_font2);
  ret.add(file);
  file.addSeparator();
  file.add(quitm);
  quitm.addActionListener(e -> System.exit(1));
  return ret;
}

MenuBar menuBar = new MenuBar();
menuBar.getMenus().addAll(new Menu("School"), new Menu("Social"), new Menu("Network"));
TreeItem<String> root = new TreeItem<>("Private Notes");

zoomMenu.getItems().setAll(zoomResetMenuItem, zoomInMenuItem,
  zoomOutMenuItem);
MenuBar menuBar = new MenuBar();
menuBar.getMenus().setAll(fileMenu, zoomMenu);
return menuBar;

  zoomOutMenuItem
);
MenuBar menuBar = new MenuBar();
menuBar.getMenus().setAll(
  fileMenu,

);
MenuBar menuBar = new MenuBar();
menuBar.getMenus().setAll(
    fileMenu

 public  MenuBar menubar=new MenuBar();

public Frame(){
 ....
 setJMenuBar(menubar);
}

 SwingUtilities.invokeLater(() -> {
  MenuBar menuBar = new MenuBar();

  JFrame frame = new JFrame("Menu");       
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

  frame.setJMenuBar(menuBar.menuBar);
  frame.setSize(900, 800);
  frame.setVisible(true);
});

 SwingUtilities.invokeLater(() -> {
  JFrame frame = new JFrame("Menu");
  frame.setVisible(true);
  frame.setSize(900, 800);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  MenuBar menuBar = new MenuBar();
  frame.setJMenuBar(menuBar.menuBar);
});

MenuBar menuBar = new MenuBar();
 final Window window = new Window();
 window.setContent(new Upload());
 menuBar.addItem("Caption", new Command()
 {
   @Override
   public void menuSelected(MenuItem selectedItem)
   {
     UI.getCurrent().addWindow(window);
   }
 });

 var form1 = {};

require(["dojo/ready", "dijit/MenuBar", "dijit/MenuItem"], function (ready, MenuBar, MenuItem) {
  ready(function () {
    form1.menu_bar = new MenuBar({}, "menu");
    form1.item1 = new MenuItem({
      label: "Cut",
      iconClass: "dijitEditorIcon dijitEditorIconCut"
    }, "item1");
    form1.menu_bar.addChild(form1.item1);

    form1.menu_bar.startup();
  });
});

 App() {

  JFrame jf = new JFrame(); 
  JPanel jp = new JPanel();
  jf.add(jp);
  jp.setLayout(new BorderLayout()); 
  jf.setSize(500, 500);
  jf.setTitle("Chain Reactor Game");
  jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  jf.setVisible(true);

  Game game = new Game();
  jp.add(game, BorderLayout.CENTER);

  MenuBar menuBar = new MenuBar();
  jf.setJMenuBar(menuBar.createMenuBar());
}

 MenuBar menuBar = new MenuBar ();
final String os = System.getProperty ("os.name");
if (os != null && os.startsWith ("Mac"))
 menuBar.useSystemMenuBarProperty ().set (true);

BorderPane borderPane = new BorderPane ();
borderPane.setTop (menuBar);

primaryStage.setScene (new Scene (borderPane));

 public static void main (String[] args)
{
 MenuBar me = new MenuBar();
 me.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 me.setVisible(true);
} //here

void setup()
{
 size(640, 640);
 H.init(this).background(#202020);
 smooth();
 colors = new HColorPool(#9400D3, #FFE4E1, #FFE4B5, #FFDAB9, #A9A9A9, #FA8072, #D2B48C, #C0C0C0);
} //and here

 MenuBar menuBar = new MenuBar ();
 if( System.getProperty("os.name","UNKNOWN").equals("Mac OS X")) {
 menuBar.setUseSystemMenuBar(true);
}

BorderPane borderPane = new BorderPane ();
borderPane.setTop (menuBar);
primaryStage.setScene (new Scene (borderPane));

 public MenuBar createMenuBar() {
  MenuBar menuBar = new MenuBar();
  Menu addAccount = MenuBuilder.create()
    .onShown(new EventHandler<Event>() {
      public void handle(Event e) {
        ((Menu)e.getSource()).hide();
        System.out.println("addAccount Clicked");
      }
    }).items(new MenuItem())
    .text("Add Account").build();
  menuBar.getMenus().addAll(addAccount);

  return menuBar;
}

 Command command = new Command()
{
  public void execute()
  {
    Window.alert("Command Fired");
  }
};

// Top-level menu
MenuBar menutop = new MenuBar();
menutop.addStyleName("demo-MenuItem");

// Item to fire a command
MenuItem fireone = new MenuItem("Fire One", command);

menutop.addItem(fireone);

MenuBar mymenubar = new MenuBar(true);
     for(final String string : myListOfStrings){
       MenuItem menuItem = new MenuItem(string , new Command() {
         @Override
         public void execute() {
            //Do some thing on each menu
         }
       });
       mymenubar .addItem(menuItem);
     }

private MenuBar createMenuBar() {
  MenuBar ret=new MenuBar();
  Menu file=new Menu("File");
  MenuItem quitm=new MenuItem("Quit");
  ret.setFont(def_font2);
  ret.add(file);
  file.addSeparator();
  file.add(quitm);
  quitm.addActionListener(e -> System.exit(1));
  return ret;
}

protected void createMenus() {
  final MenuBar menuBar =
    menuService.createMenus(new AWTMenuBarCreator(), new MenuBar());
  frame.setMenuBar(menuBar);
  eventService.publish(new AppMenusCreatedEvent(menuBar));
}

private static MenuBar initMenuBar() {
 MenuBar menuBar = new MenuBar();
 Menu mnFile = initFileMenu();
 menuBar.add(mnFile);
 Menu mnView = initViewMenu();
 menuBar.add(mnView);
 Menu mnProject = initProjectMenu();
 menuBar.add(mnProject);
 Menu mnMap = initMapMenu();
 menuBar.add(mnMap);
 Menu mnHelp = initHelpMenu();
 menuBar.add(mnHelp);
 return menuBar;
}