Task: Reflexive Association

In a reflexive association, objects of the same class are related to each other:

Class diagram of a reflexive association

If both navigation directions are implemented, you can navigate in the direction of follower and vice versa, it is a so-called doubly linked list. If only one direction of navigation is implemented, this is a simply linked list.

_________________________________________________________________________________

Task:

Implement the above class diagram for the following use-case diagram in Java code:

Note: One of the use cases can only be realized with recursion.