Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

Does ios supports multi-tasking functionality?

911

What is the mean of not running state in ios?

818

What are selectors in objective-c?

824

Explain what is storyboard?

772

Explain the significance of autorelease?

851

Explain mutable and immutable types in objective c programming language?

837

Explain "private", "protected" and "public"?

786

Explain me what is arc? How it works?

831

What is retain counts?

764

Who calls the main function of app during the app launch cycle in ios?

850

What are the features is ios 6?

853

Explain me what is fast enumeration?

874

Will the new design mean I have to completely relearn how to use my phone?

777

What is background state in ios?

891

Can we save posts to local drafts and figure out how to publish to the blog. What do we need to do?

766

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Un-Answered Questions { Apple iOS }

What is categories in iOS?

859

what are fetched properties?

809

Explain what is garbage collection?

874

How are non-atomic and atomic properties different? Which one is the default property for synthesized properties?

770

What is uiviewcontroller in ios?

781

What is difference between nsnotification and delegate?

782

What are lifecycle events of uiviewcontroller?

752

What are moments and collections?

755

Explain me how to parse xml?

829

How we can execute some code when app is in background?

774

What is polymorphism in ios?

836

Define 'copy' keyword?

785

What are the app states in ios?

841

Explain the options and bars available in xcode 4.x workspace window in iOS operating system

827

Mention what is the use of po command in xcode?

811

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