src/main/java/com/bib/essensbestellungsverwaltung/HelloApplication.java

@@ -2,6 +2,7 @@ package com.bib.essensbestellungsverwaltung;
 
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 
@@ -9,17 +10,17 @@ import java.io.IOException;
 
 public class HelloApplication extends Application {
     @Override
-    public void start(Stage stage) throws IOException {
+    public void start(Stage primaryStage) throws IOException {
-        FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
+        Parent fxmlStartSeiteLoader = FXMLLoader.load(HelloApplication.class.getResource("menue-view.fxml"));
         /**
-         * @autor: Reshad Meher
+         * @author: Reshad Meher
          * Fenstergrößer
          * Fenstertitle
          */
-        Scene scene = new Scene(fxmlLoader.load(), 480, 280);
+        primaryStage.setTitle("Essen Bestellung im Kindergarten");
-        stage.setTitle("Essen Bestellung im Kindergarten");
+        primaryStage.setScene(new Scene(fxmlStartSeiteLoader,950,480));
-        stage.setScene(scene);
+        primaryStage.show();
-        stage.show();
+
     }
 
     public static void main(String[] args) {

src/main/java/com/bib/essensbestellungsverwaltung/MenueController.java

@@ -1,4 +1,25 @@
+/**
+ * Author: Reshad Meher
+ *  Startseite
+ * fxml: menue-view.fxml
+ */
+
 package com.bib.essensbestellungsverwaltung;
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.scene.control.Alert;
+import javafx.stage.Stage;
+
+import java.io.IOException;
 
 public class MenueController {
+
+    @FXML
+    private void onBtLoginClick(){
+        Alert alert = new Alert(Alert.AlertType.ERROR, "Hi");
+        alert.showAndWait();
+    }
 }

src/main/resources/com/bib/essensbestellungsverwaltung/menue-view.fxml

@@ -14,7 +14,7 @@
             <Font size="28.0" />
          </font>
       </Label>
-      <Button alignment="CENTER" layoutX="868.0" layoutY="61.0" mnemonicParsing="false" style="-fx-background-color: white;" text="Login" />
+      <Button alignment="CENTER" layoutX="845.0" layoutY="64.0" mnemonicParsing="false" style="-fx-background-color: white;" text="Login" onAction="#onBtLoginClick"/>
       <VBox layoutX="14.0" layoutY="100.0" prefHeight="350.0" prefWidth="180.0" style="-fx-background-color: transparent; -fx-padding: 5;">
          <children>
             <Label alignment="CENTER" contentDisplay="TOP" prefHeight="23.0" prefWidth="196.0" style="-fx-background-color: lightdarkblue;" text="Montag" textAlignment="CENTER">