diff -r e70a0e3555fb -r 576e7a2861ae src/main/java/de/uapcore/sudoku/MainMenu.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/uapcore/sudoku/MainMenu.java	Sat Jul 25 14:01:28 2020 +0200
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2013 Mike Becker. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package de.uapcore.sudoku;
+
+import javax.swing.*;
+
+/**
+ *
+ * @author mike
+ */
+public class MainMenu {
+    
+    private ActionHandler handler;
+    private JMenuBar menuBar;
+    
+    public MainMenu(ActionHandler h) {
+        handler = h;
+        menuBar = new JMenuBar();
+        menuBar.add(createMenu("Datei", 'd',
+            createMenuItem("Neu", 'n', "control N", ActionHandler.NEW),
+            createMenuItem("Öffnen", 'f', "control O", ActionHandler.OPEN),
+            createMenuItem("Speichern", 's', "control S", ActionHandler.SAVE),
+            createMenuItem("Speichern als...", 'a', ActionHandler.SAVE_AS),
+            createSeparator(),
+            createMenuItem("Prüfen", 'p', "control P", ActionHandler.CHECK),
+            createMenuItem("Lösen", 'l', "control L", ActionHandler.SOLVE),
+            createSeparator(),
+            createMenuItem("Beenden", 'e', ActionHandler.QUIT)
+        ));
+        menuBar.add(createMenu("Help", 'h',
+            createMenuItem("Über...", 'b', "F1", ActionHandler.ABOUT)
+        ));
+    }
+    
+    private JMenuItem createSeparator() {
+        // Return null, the createMenu method knows how to handle it
+        return null;
+    }
+    
+    private JMenu createMenu(String caption, char mnemonic, JMenuItem...items) {
+        JMenu menu = new JMenu(caption);
+        menu.setMnemonic(mnemonic);
+        for (JMenuItem item : items) {
+            if (item == null) {
+                menu.addSeparator();
+            } else {
+                menu.add(item);
+            }
+        }
+        return menu;
+    }
+    
+    private JMenuItem createMenuItem(String caption, char mnemonic,
+            String command) {
+        return createMenuItem(caption, mnemonic, null, command);
+    }
+    
+    private JMenuItem createMenuItem(String caption, char mnemonic,
+            String stroke, String command) {
+        JMenuItem item = new JMenuItem(caption);
+        item.setMnemonic(mnemonic);
+        if (stroke != null) {
+            item.setAccelerator(KeyStroke.getKeyStroke(stroke));
+        }
+        item.setActionCommand(command);
+        item.addActionListener(handler);
+        
+        return item;
+    }
+    
+    public JMenuBar getMenuBar() {
+        return menuBar;
+    }
+}