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 iOS?

2 3657

What's fast enumeration?

2 3839

What are the differences between categories and extensions?

1 2951

What is a singleton?

1 3402

Name and explain the iOS app states.

1 3078

What are the memory management rules?

1 2941

Name the memory management rules and their related methods.

1 2991

Explain why delegates and notifications are different.

1 2835

What is lazy loading?

1 2904

Explain shallow copying and depth copying.

1 2753

What is a struct?

1 3584

Is the object retained if I call performSelector:withObject:afterDelay:?

1 3506

What is posing in iOS?

B-Ways TecnoSoft,

1 3958

Where do you test the developed apps if you do not have the device?

1 2724

Does iOs supports multitasking?

1 2777

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Un-Answered Questions { Apple iOS }

What is singleton in ios swift?

906

Differentiate between ‘assign’ and ‘retain’ keyword.

883

How do I become an ios developer?

920

What is @implementation?

831

Is core data is thread safe?

825

What makes react native special for ios?

788

When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?

861

What are moments and collections?

754

What is libdispatch?

885

When is an app said to be in active state?

777

What is completion handler in ios?

836

What design patterns do you use in ios? : IOS Architect

765

Define encoding or serialization??

880

Who calls the dealloc strategy?

842

What is thread safe?

782

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