Why prefix C# interface names with an “I”

Question

What is the rationale behind this naming convention?

I don\'t see any benefit. The extra prefix just pollutes the API.

My thinking is inline with Konrad\'s respo

Answer 1

It is just a naming convention so everybody would know if it is an interface or something else it is not mandatory nor by the compiler nor by the IDE but All the interfaces i saw in my entire life starts with the letter I