wish helps you You can iterate through ArrayList objects in its enclosing ArrayList and for each of this ArrayList objects you should use putParcelableArrayListExtra separately using different keys for each of them.
Read file, store content to an object, storing object in ArrayList causes java.lang.NullPointerException
like below fixes the issue The problems I was running into had to do with the fact that I was trying to implement code directly inside the Controller class. I need to implement all code inside some sort of method for the JavaFX controller.
How to load a csv file to an ArrayList <Object Type> while the other array is of strings?