By definition C++ is a different language (contrary to Objective-C that was "an extension to C"). It encompasses a lot (nearly all) of C but introduces also new

By definition C++ is a different language (contrary to Objective-C that was "an extension to C"). It encompasses a lot (nearly all) of C but introduces also new concepts. For example and besides the evident OOP features, all the different types of casting, use of IO stream, default parameters...