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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?

 1

what is gcd? What are advantages over nsthread?

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Can delegates be retained?

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What is class extension?

 1

Why do we require class extension?

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What are nsautoreleasepool? When to use them?

 1

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

 1

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 }

Why is objective c better than swift?

1

Explain what is the principle distinction between the function calls and messages?

1

Is swift objective c?

1

What is a function file?

1

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

1

What is delegate? Can delegates be retained?

1

What is difference between method and constructor?

1

When might you use a cfarray/dictionary instead of a nsarray/dictionary?

1

What is id type in objective c?

1

What is gcd?

1

Is objective c compiled?

1

Is objective c similar to java?

1

Explain the difference between uiwindow and uiview?

1

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

1

What do you mean by dot notation?

1

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