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 category and class extension?

900

What are the different delete rules that a relationship can have?

791

what are fetched properties? How do you create a fetched property?

859

What is nspersistentstore? Is it thread safe?

995

What is a fault?

849

Is core data is thread safe?

865

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

808

What are the different delete rules that a relationship can have? Which one takes ownership?

841

What is the purpose of reuseidentifier?

889

What is dependency management tools?

835

Why do all model object attributes get marked with @dynamic and not synthesised?

931

In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

951

What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.

802

What are transient properties?

889

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

807

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Un-Answered Questions { Apple iOS }

What is latest xcode version?

877

What is the difference between viewdidload and viewdidappear?

867

What is the methods for unzip file in AFNetworking

1790

How to find the memory leaks in mrc?

1331

Explain your process for tracing and fixing a memory leak

2488

What are layer objects?

909

What is App Bundle in iOS operating system?

951

In mapKit frame work, how to get current user location

1393

What is delegate and protocol in ios?

888

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

1447

Which programming language is used in ios?

865

What is nsobject in ios?

883

What are layer objects and what do they represent in iOS operating system?

845

What is nsuserdefaults? What type of data can we store there?

880

Explain how to shut off message alerts in ios?

786

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