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

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is the difference between NSArray and NSMutableArray in iOS operating system?

CDC,

850

What is the purpose of UIWindow object in iOS operating system?

CDC,

871

What is Automatic Reference Counting (ARC) in iOS operating system?

B-Ways TecnoSoft,

866

Explain retain counts in iOS operating system?

CDC,

961

What are all the newly added frameworks iOS 4.3 to iOS 5.0?

CDC,

853

how you can delete a smart group created in Xcode?

946

what does @synthesize do?

920

what are the new features in Xcode 6?

1008

what is the use of PO command in Xcode?

1014

Explain how you can migrate to Xcode?

1068

what are the two different smart groups in Xcode?

954

What is the short cut to open the “Code Snippet Library” in Xcode?

968

Mention the short-cut to edit variables in Scope?

845

what are the source items used by Xcode?

1130

what is the difference between bounds and frame?

939

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Un-Answered Questions { Apple iOS }

Is apple ios based on linux?

874

Explain the significance of autorelease?

888

How would you create your own custom view in iOS operating system?

857

Define iterator protocol?

872

What is nspersistentstore? Is it thread safe?

995

Does objective-c contain private methods?

850

What is polymorphism in ios?

875

Explain how to hide images in ios?

883

Is react native easy?

799

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

813

What is a delegate xcode?

930

Difference between categories and extensions?

871

What is the benefit of setting reuseidentifier to a non-nil value?

796

What is a memory leak in ios?

823

What is code signing in iOS operating system?

855

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