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Objective-C Interview Questions
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Explain what is protocol in objective-c?

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What is toll-free bridging?

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Explain what is @synthesize in objective-c?

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Is objective c, a dynamic language? True/false, explain.

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What is kvc and kvo? Give an example of using kvc to set value.

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Does a thread created using performselectorinbackground:withobject: creates its own autorelease pool?

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Can we create dynamic classes in objective c? If yes, explain how to create with a valid use case?

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Who calls dealloc method?

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What is responder chain?

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What can’t we put into an array or dictionary?

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Can I write some c++ function in same .m file?

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Can we create dynamic classes in objective c?

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What happen if we send any message to an object which is released?

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Explain the difference between atomic and nonatomic synthesized properties.

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How does dispatch_once manages to run only once?

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Un-Answered Questions { Objective-C }

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

1

Can you write setter method for a retain property?

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What is better objective c or swift?

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What is a hash string?

1

Can you please explain the way messaging works in objective-c?

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How to sort array of dictionary in objective c?

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What can objective c be used for?

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How do I create an objective c class in xcode?

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What is an objective fact?

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Is reference counting garbage collection?

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What is difference between nsstring and nsmutablestring?

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What is the use of category in objective-c?

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What is instancetype?

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What is objective c used for?

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What is the function of the category?

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