Complex sentence: Generic programming and metaprogramming can be implemented in both languages using runtime polymorphism; in C++ this takes the form of virtual functions and runtime type identification, while Objective-C offers dynamic typing and reflection.
Split into simpler sentences: Generic programming and metaprogramming can be implemented in both languages using runtime polymorphism. In C++ this takes the form of virtual functions and runtime type identification, while Objective-C offers dynamic typing and reflection.