System architecture

hi,
I have created class vehicle and two subclasses called cars and vans.
question: i want to create a vector to hold and retrieve the inforamtion for cars and vans, (1)could i just create a vector in vehicle or (2) should i create two seperate vectors, 1 in cars and the other in vans??
any help is appreciated

It depends on what you want to do with it. In general you can definitely make a List<Vehicle> that holds both Cars and Vans

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