NP144 Shallow copy / Deep copy

Question

Hi Guys

 

NP144 Shallow copy / Deep copy

 

http://en.csharp-online.net/Glossary:Definition_-_Deep_copy

 

In the Above website there is a definition for Shallow copy and Deep copy.

 

In this definition what is meant by instance variables and reference variables

 

Please explain.

 

Thank you