Good Case For Interfaces

Question

I work at a company where some require justification for the use of an Interface in our code (Visual Studio C# 3.5).

I would like to ask for an Iron Clad reasoning t

Answer 1

• Test Driven Development
• Unit Testing

Without interfaces producing decoupled code would be a pain. Best practice is to code against an interface rather than a concrete implementation. Interfaces seem rubbish at first but once you discover the benefits you'll always use them.