C++ Style: Prefixing virtual keyword to overridden methods

Question

I\'ve been having a discussion with my coworkers as to whether to prefix overridden methods with the virtual keyword, or only at the originating base class.

I tend t

Answer 1

I can think of one disadvantage: When a class member function is not overridden and you declare it virtual, you add an uneccessary entry in the virtual table for that class definition.