So, I have a class Reference with multiple derived classes (Article, Book, TechReports) The next part of my assignment is to create an array in another class and add objects of these derived classes to the array. My question is how exactly do you add objects of multiple classes to one array? I have an array of the base class reference in my class Referencemanager (reference = new Reference[10]) but i'm not sure how to add the derived classes to this array. Sorry if my question isn't clear and any help would be appreciated!

Are you asking how you can store your derived classes all in one container?

exactly! Sorry if that wasn't clear

Well, you should be able to use a vector that holds your parent class that you can use to insert each of your derived classes.

Look up polymorphism and read about it

not allowed vectors he wants us to use an array with a fixed size

its the same essentially, use an array of the parent class

hahaha yea I did my array as I normally do and it worked fine. People in my class were stressing me out feeding me false information but it all works now! Thanks for the help!