This module provides students with detailed information about reference types.
It defines reference types and how they relate to classes. It explains the
differences between reference-type and value-type variables. It explains the
string type in detail as an example of a built-in reference type.
This module also covers the System.Object class hierarchy and the object type
in C#, showing the relationships between the various types. An overview of
common namespaces in the Microsoft® .NET Framework is provided....