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Objective-C Interview Questions
Un-Answered Questions { Objective-C }
What is nsmutabledictionary?
Is reference counting garbage collection?
What do you mean by dot notation?
Does a thread created using performselectorinbackground:withobject: creates its own autorelease pool?
What is abstract class in objective c?
Is apple stopping supporting objective c?
What is the latest version of objective-c?
When might you use a cfarray/dictionary instead of a nsarray/dictionary?
Who calls dealloc method? Can we implement dealloc in arc? If yes, what is the need to do that?
Explain what is #import?
Explain when to use nsarray and nsmutablearray. Which one is faster and threadsafe?
What is delegation protocol?
How do you define a block?
What is a dispatch function?
What is a .m file in xcode?
