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

Objective-C Interview Questions

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Mention what is the primary use of the category in the objective-c?

Tell me about important protocol being used in objective c?

Can you differentiate polymorphism from abstraction?

What is the primary use of the category in the objective-c?

What do you mean by @synthesize and @dynamic in the objective-c?

What does the objective c program fundamentally comprise of?

Explain what do you mean by dot notation?

Can you please explain the way messaging works in objective-c?

Tell us the result when you invoke a particular method on a nil pointer?

Is objective-c a dynamic language?

What’s the contrast between utilizing a delegate and warning?

What’s the contrast between active, inactive, not-running, background and suspended execution states?

What do you mean by cocoa?

What is the principle distinction between the function calls and messages?

Does objective-c contain private strategies?

Un-Answered Questions { Objective-C }

What does @synchronized() do?

When will you use nsarray and nsmutablearray? Which one is faster?

What is main storyboard?

Is objective c better than c++?

What are the classifications of property?

What are the differences between copy and retain?

What is an instancetype?

Tell me something about objective-c blocks?

What is autoclosure?

What is an nsobject?

Is swift based on objective c?

How do I open .am files?

What is data encapsulation in objective-c?

What is responder chain?

What is a delegation protocol?

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