Static Function Concurrency ASP.NET

Question

If you have two threads invoking a static function at the same moment in time, is there a concurrency risk? And if that function uses a static member of the class, is there even

Answer 1

In your two examples, there is no thread safety issues because each call to the function will have it's own copy of the local variables on the stack, and in your first example with 'a' being a static variable, you never change 'a', so there is no problem.

If you change the value in 'a' in your first example you will have a potential concurrency problem.