> that they have like 5 empty folders nested just to have 3 java files. I don't see that in C# world. This is because Java ties the package path to the filesys

> that they have like 5 empty folders nested just to have 3 java files. I don't see that in C# world. This is because Java ties the package path to the filesystem, and C# does not tie namespaces to file paths. Typically in C# codebases you'll see the layers implemented as separate DLL projects.