How can I make a deep copy in Objective-C?

Question

I\'m learning ios development and I\'m confused with deep copying in Objective-C. For example,I have three class below. Now I want to deep copy ClassA, can anybody teach me

Answer 1

This could be of some help. The link shows how to do the deep copy using NSKeyedArchiver

http://iphonecodecenter.wordpress.com/2013/08/26/difference-between-shallow-copy-and-deep-copy/