Exception in Application start method java.lang.reflect.InvocationTargetException

Question

I am just starting out with JavaFX, and I am trying to build a simple application with a label, text field and button which, when clicked, sets the label\'s value to that of

Answer 1

I've been looking through this thread and the answers but the cases are a bit different for me

the code written in the main file is not as mentioned like this:

FXMLLoader loader = new FXMLLoader(Main.class.getResource("MainWindowView.fxml"));

the code in my case is like this:

FXMLLoader fxmlLoader = new FXMLLoader(App.class.getResource(fxml + ".fxml"));

and I encountered the same error(approx.)