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

Objective-C Interview Questions

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Explain what is protocol in objective-c?

What is toll-free bridging?

Explain what is @synthesize in objective-c?

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

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

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

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

Who calls dealloc method?

What is responder chain?

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

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

Can we create dynamic classes in objective c?

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

Explain the difference between atomic and nonatomic synthesized properties.

How does dispatch_once manages to run only once?

Un-Answered Questions { Objective-C }

Is objective c statically typed?

Is objective c type safe?

Is python static or dynamic?

What is responder chain?

What is a nsstring?

What is difference between objective c and swift programming?

How do I open .m files?

Is objective c hard to learn?

What is a delegation protocol?

What can objective c be used for?

What is enum constant?

What is a class in xcode?

What is dictionary objective c?

What is .m file in objective c?

Explain how to call function in objective-c?

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