How to parse json? Explain
What is the purpose of reuseidentifier? What is the benefit of setting it to a non-nil value?
What is datasource in ios swift?
Explain the difference between inheritance and category?
Explain mutable and immutable types in objective c programming language?
What is @dynamic in objective-c ?
What is a difference between stack and heap memory?
Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?
What is mapping model?
What is fast enumeration?
what are fetched properties?
What is the extension of ios files?
How do you stop apps running in the background on ios?