import javafx.application.Application;
import javafx.geometry.NodeOrientation;
import javafx.scene.layout.VBox;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;

public class MenuBarMnemonics extends Application {

    public final static int MENUS_NUM = 3;
    public final static String MENU_STR = "Menu";

    static MenuBar menuBar;

    private void init(Stage primaryStage) {
        VBox root = new VBox();
        root.setSpacing(200);
        Scene scene = new Scene(root, 350, 300);
        scene.setNodeOrientation(NodeOrientation.RIGHT_TO_LEFT);
        primaryStage.setScene(scene);
        primaryStage.setTitle("MenuBar Test " + System.getProperty("javafx.runtime.version"));

        menuBar = new MenuBar();
        root.getChildren().addAll(menuBar);

        menuBar.getMenus().clear();
        char letter = 'A';
        for (int i = 0; i < MENUS_NUM; i++) {
            Menu m = new Menu(MENU_STR + " _" + letter++);
            m.setMnemonicParsing(true);
            menuBar.getMenus().add(m);
        }
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        init(primaryStage);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}