To use the 'I' prefix for interfaces or not to

Question

That is the question? So how big a sin is it not to use this convention when developing a c# project? This convention is widely used in the .NET class library. However, I am not

Answer 1

The difference between Java and C# is that Java allows you to easily distinguish whether you implement an interface or extend a class since it has the corresponding keywords implements and extends.

As C# only has the : to express either an implementation or extension, I recommend following the standard and put an I before an interface's name.