Here is Some Good Information About Objective C Tutoring
Objective-C is a reflective, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. Need a refresher? Select a tutor today. Objective-C is designed to give C full object-oriented programming capabilities, and to do so in a simple and straightforward way. Upgrade your skills when you select a tutor today. Did you know or remember that the file suffix for Objective-C source is .m for implementation files, and .h for header files? How about that Objective-C compilers usually also accept .c as a suffix, but compile those files in plain C mode? If not, then select a tutor today.