PTree is a kind of Binary tree so your Second solution works fine, but now my boss wants me to create a List of objects that can be a Binary tree or what he calls a Forest:
Forest{
NameProc...

Hi! I'm trying to define a list of objects that could be a binary tree or a Processtrees.
The binary tree is already defined and works fine, don't worry about it.

A Processtree is a binary tree...