The C# programming language provides support for both virtual and abstract methods, each of which has distinct advantages. You use virtual methods to implement late ...

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...

You might often want to validate parameters in your methods to ensure they have valid data. Most importantly, you might often want to protect your publicly exposed API methods by ensuring that the ...