import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;

public class App extends Application {
    public static void main(String[] args) {
        launch(args);
    }
    
    @Override
    public void start(Stage primaryStage) throws Exception {
        Menu fileMenu = new Menu("Segítség");
        fileMenu.getItems().add(new MenuItem("Tartalom"));
        fileMenu.getItems().add(new MenuItem("Névjegy"));

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

        BorderPane borderPane = new BorderPane();
        borderPane.setTop(menuBar);
        Scene scene = new Scene(borderPane, 300, 250);
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}