Objective-C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Objective-C Interview Questions

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Explain the types of protocol?

How to call function in objective-c?

what is gcd? What are advantages over nsthread?

Can delegates be retained?

What is class extension?

Why do we require class extension?

What are nsautoreleasepool? When to use them?

What is toll-free bridging? When is it useful?

When is toll-free bridging useful?

What happens when you create a block?

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

Explain how to call function in objective-c?

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

What happens with the objects if the array is released?

Explain what is dot notation?

Un-Answered Questions { Objective-C }

What is the point of closures?

What objective-c program consists of?

What does mean in xcode?

How big is a atom?

What is the protocol in objective c?

What is an objective fact?

What is objective c vs c?

Does objective c have multiple inheritance?

Is it possible to implement dealloc in arc?

What is difference between objective c and c?

How to sort array of dictionary in objective c?

what is gcd? What are advantages over nsthread?

What is kvc and kvo?

What is the latest version of objective-c?

What is difference between objective c and swift programming?

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