This article presents a discussion of how we can work with pattern matching in C# 8.0. To work with the code examples provided in this article, you should have Visual Studio 2019 installed in your ...

The Builder pattern ... factory" class. That class, passed an enumerated Customer type, would return the right CustomerBuilder. This would free the client from having to figure which Builder class to ...

The factory pattern can ... In the example in Figure A, two objects have been defined and named Version1Connection and Version2Connection (see Listing A for sample code). Each concrete class ...