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

Objective-C Interview Questions

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Can a static library (.a) contain resources like images, sound files etc?

What is the difference between underscore and self (i.e self.xx and _xx) ?

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

What is a process and thread?

What are blocks and how are they used?

Can I write some c++ function in same .m file? Will it compile? If no, what changes should I do to compile it?

What are the adavantages of gcd over nsthread?

What is class extension? Why do we require them?

When to use nsautoreleasepool??

Un-Answered Questions { Objective-C }

What are the classifications of property?

What are the three subatomic particles?

Which class is used to establish a connection between applications to the web server?

How to call objective c function in swift?

What happens when you create a block?

What is the difference between nsstring and string?

What is the purpose of the protocol?

What are the blocks? How will you use them?

How do you call a method in objective c?

How different is objective c from swift?

What are the delegate?

Explain how to call function in objective-c?

What is the difference between underscore and self (i.e self.xx and _xx) ?

What is thread safe function?

What is typedef objective c?

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