Objective 2.4: Create and implement a class hierarchy
Inheritance is another pillar of object-oriented development. Inheritance is the process of letting one class derive from another class. Inheritance between a base and a derived class establishes an “is-a-kind-of” relationship. For example, a child is a human, and a SqlConnection is a DbConnection. This enables you to create hierarchies of objects that can be used to better model real-world scenarios. It also encourages code reuse. C# is a typical object-oriented language in that it offers all the support you need to create your own class hierarchies and to use them in the most efficient way. You will look at how using interfaces and base classes can help you create generic code that can work ...
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