Main class

buisnesslogic/src/main/java/com/plannaplan/App.java

@@ -38,9 +38,9 @@ public class App {
     }
 
     public App getInstance() {
-        if (this.instance == null) {
-            this.instance = new App();
+        if (App.instance == null) {
+            App.instance = new App();
         }
-        return this.instance;
+        return App.instance;
     }
 }