JavaFX 20. Menu, MenuBar, MenuItem and SeparatorMenuItem

1. Main.java

package application;
    
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.fxml.FXMLLoader;
 
 
public class Main extends Application {
    @Override
    public void start(Stage primaryStage) {
        try {
            Parent root = FXMLLoader.load(getClass().getResource("Main.fxml"));
            Scene scene = new Scene(root);
            scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());
            primaryStage.setScene(scene);
            primaryStage.show();
        } catch(Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}
 

2. Main.fxml

<?xml version="1.0" encoding="UTF-8"?>
 
<?import javafx.scene.control.Menu?>
<?import javafx.scene.control.MenuBar?>
<?import javafx.scene.control.MenuItem?>
<?import javafx.scene.control.SeparatorMenuItem?>
<?import javafx.scene.layout.BorderPane?>
 
 
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.60" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.MainController">
   <top>
      <MenuBar BorderPane.alignment="CENTER">
        <menus>
          <Menu mnemonicParsing="false" text="File">
            <items>
                  <Menu mnemonicParsing="false" text="Import">
                    <items>
                      <MenuItem mnemonicParsing="false" text="FXML" />
                        <MenuItem mnemonicParsing="false" text="Media" />
                    </items>
                  </Menu>
                  <MenuItem mnemonicParsing="false" text="Open" />
                  <MenuItem mnemonicParsing="false" text="Save" />
                  <SeparatorMenuItem mnemonicParsing="false" />
              <MenuItem mnemonicParsing="false" onAction="#closeApp" text="Close" />
            </items>
          </Menu>
          <Menu mnemonicParsing="false" text="Edit">
            <items>
              <MenuItem mnemonicParsing="false" text="Delete" />
            </items>
          </Menu>
          <Menu mnemonicParsing="false" text="Help">
            <items>
              <MenuItem mnemonicParsing="false" text="About" />
            </items>
          </Menu>
        </menus>
      </MenuBar>
   </top>
</BorderPane>
 

3. MainController.java

package application;
 
import java.net.URL;
import java.util.ResourceBundle;
 
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.fxml.Initializable;
 
public class MainController implements Initializable {
 
    @Override
    public void initialize(URL location, ResourceBundle resources) {
        // TODO Auto-generated method stub
        
    }
    
    public void closeApp(ActionEvent event){
        Platform.exit();
        System.exit(0);
    }
}