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Objective-C Interview Questions
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Explain the types of protocol?

 1

How to call function in objective-c?

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what is gcd? What are advantages over nsthread?

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Can delegates be retained?

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What is class extension?

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Why do we require class extension?

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What are nsautoreleasepool? When to use them?

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

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When is toll-free bridging useful?

 1

What happens when you create a block?

 1

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

 1

Explain how to call function in objective-c?

 1

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

 1

What happens with the objects if the array is released?

 1

Explain what is dot notation?

 1

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Un-Answered Questions { Objective-C }

What do you mean by @synthesize and @dynamic in the objective-c? And also explain what do you mean by synthesized in objective-c?

1

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

1

Who made objective c?

1

What is difference between array and nsarray?

1

Which is better swift or objective c?

1




What are some of the major differences between objective c and swift?

1

What does @synchronized() do?

1

What is polymorphism in objective-c?

1

What is difference between method and constructor?

1

Explain types of protocol?

1

What is the class of a constant string?

1

What are the two types of tangible property?

1

What is objective c runtime?

1

Explain the way messaging works in objective-c?

1

What is objective c written in?

1

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