solid

Hi, everybody. This operator is used so that it cannot be inherited from the class. But in the example of Unity, they had the Application class "sealed", and then in the new versions they just made the class Application. As I understand it, they did so that they could extend the Application...

I recently completed an small assessment that reads a CSV sheet, then adds to it. This is a C# console app. I'm still learning, and at this point, I can achieve MVP, but it is lacking in SOLID principles or 4 pillars of OOP. Here is a working method for retrieving a first name from a user...