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 difference between performblock: and performblockandwait:?

960

What are the Different types of persistent stores?

910

What is nsmanagedobject?

853

What is messaging? How does the runtime handle message passing? What is message forwarding?

974

What is nspersistentstore?

975

What is nsuserdefaults?

889

What is nsfetchedresultscontroller?

932

Explain parent-child context setup. How does it work?

820

Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?

886

What is message forwarding?

865

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

795

What are the different store migration options? When are they used?

848

What is nsmanagedobjectcontext?

906

What performance issues can you face when using coredata?

947

How do you setup/initialise a core data stack in your application?

911

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Un-Answered Questions { Apple iOS }

Explain me how to parse xml?

868

Will iphone 5s get ios 13?

798

What is view object in iOS operating system?

985

What are the three themes that ios embodies?

932

Tell me what is fast enumeration?

860

What is background state in ios?

951

What is libdispatch?

917

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

821

Which are the app’s state transitions when it is launched?

834

Can you please explain the difference between frame and bounds?

883

What is synchronized() block in objective c? What is the use of that?

862

What is the responder chain?

868

what is your preferred programming language? Why? How long will it take you to learn a new programming language?

1338

What is cococa and cocoa touch?

955

What is the maximum byte-size for a push notification to apple server?

859

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