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Objective-C Interview Questions
Questions Answers Views Company eMail

What are benefits of collections views?

1

Explain the difference between uiwindow and uiview?

1

What is kvc and kvo?

1

How can we put nil it into dictionary/array?

1

What is gcd?

1

What does @synchronized() do?

1

What are the size classes?

1

Can you write setter method for a retain property?

1

How to make a code snippet thread safe?

1

What is delegate? Can delegates be retained?

1

Explain when to use nsarray and nsmutablearray. Which one is faster and threadsafe?

1

Explain what is #import?

1

Mention whether nsobject is a parent class or derived class.

1

Explain the difference in xib/storyboard vs nib?

1

Why create a custom view?

1


Post New Objective-C Questions

Un-Answered Questions { Objective-C }

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

1


What is the use of objective c?

1


What is the isa member?

1


What is a nsstring?

1


Explain what do you mean by dot notation?

1


What does nonatomic mean?

1


What is the difference between a script and function?

1


What type of language is objective c?

1


Explain the difference between uiwindow and uiview?

1


Is objective c faster than swift?

1


What does it mean to be objective?

1


Is objective c similar to c++?

1


How do I create an objective c class in xcode?

1


What is gcd objective c?

1


What are nsautoreleasepool and how can we use them?

1