1.1 --- a/src/main/java/de/uapcore/sudoku/MainMenu.java Sat Jul 25 15:56:48 2020 +0200 1.2 +++ b/src/main/java/de/uapcore/sudoku/MainMenu.java Mon Jul 27 10:56:17 2020 +0200 1.3 @@ -33,8 +33,8 @@ 1.4 */ 1.5 public class MainMenu { 1.6 1.7 - private ActionHandler handler; 1.8 - private JMenuBar menuBar; 1.9 + private final ActionHandler handler; 1.10 + private final JMenuBar menuBar; 1.11 1.12 public MainMenu(ActionHandler h) { 1.13 handler = h;