what is gcd? What are advantages over nsthread?
What is mark and sweep algorithm?
What is toll-free bridging? When is it useful?
What objective-c program consists of?
What is the difference between method and type?
Can you learn swift without knowing objective c?
What is difference between datasource and delegate?
What are some of the major differences between objective c and swift?
What is a delegate? Can you retain delegates?
What is the difference between underscore and self (i.e self.xx and _xx) ?
How to call methods in objective c?
Explain mutable types in objective c programming language?
Which language does apple use?
Is objective c garbage collected?
What is objective c written in?