Hello! i am interested in the course of ios programming and i was informed that i should study C++ before ios programming. i can study c++ at basic, moderate and advanced level. i should study C++ at which level for understanding the course of ios programming? i will study what in C++ after core programming and object oriented programming? i can study what in C++ at advanced level? i should also study data structure and data base before taking admission into the course of ios programming or studying data structure and database is not mandatory before studying ios programming? kindly tell me in detail that i should study C++ at which level or what kind of stuff i should study in C++ for understanding the course of ios programming from very start till the end.