What is the purpose of managed object context (nsmanagedobjectcontext) in objective-c and how does it work?

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Who calls dealloc method? Can we implement dealloc in arc? If yes, what is the need to do that?

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What are the characteristics of the category?

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What are the 5 principles of object oriented programming?

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What is difference between c and objective c?

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What do you mean by category and when to use it?

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Are id and instancetype same? If not, what are differences between them?

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Can objective c run on windows?

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What is objective writing?

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Does objective c have multiple inheritance?

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What is gcd? What are its advantages over nsthread?

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When to use nsautoreleasepool??

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How do you define a block?

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What is delegate in objective c?

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What are the types of ios binaries you can create using xcode?

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