Should I use virtual 'Initialize()' functions to initialize an object of my class?

Question

I\'m currently having a discussion with my teacher about class design and we came to the point of Initialize() functions, which he heavily promotes. Example:

Answer 1

Only use initialize function if you don't have the data available at point of creation.

For example, you're dynamically building a model of data, and the data that determines the object hierarchy must be consumed before the data that describes object parameters.