The C++ virtual method call is faster on the Uno than both the switch-case and the function pointer versions. The additional function call and switch-case case processing took a toll for the Uno.

In this post, I will present a discussion on both virtual and abstract methods and when they should be used. A virtual method is one that is declared as virtual in the base class.

Hi,I have a base class whose destructor is pure virtual, so the class is abstract.I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero argument ...