When designing applications, it is important to know when to use an abstract class and when to use an interface. Although abstract classes and interfaces seem similar in some ways, there are key ...

You can implement fluent interfaces in C# using method chaining, factory classes, and named parameters. I’ll have more to say about fluent interfaces and method chaining in a future post here.

Register early. We have a single class that implements our fee calculator. We don't need multiple fee calculators. Why define an interface just for calculating fees? We're also only going to be saving ...