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Apple iOS Interview Questions
Questions Answers Views Company eMail

What is iOS?  

 2 2663

What's fast enumeration?

 2 2785

What are the differences between categories and extensions?

 1 2099

What is a singleton?

 1 2107

Name and explain the iOS app states.

 1 2162

What are the memory management rules?

 1 2119

Name the memory management rules and their related methods.

 1 2197

Explain why delegates and notifications are different.

 1 1969

What is lazy loading?

 1 2096

Explain shallow copying and depth copying.

 1 1936

What is a struct?

 1 2318

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

 1 2655

What is posing in iOS?

B-Ways TecnoSoft,

1 3096

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

 1 1876

Does iOs supports multitasking?

 1 2019

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Un-Answered Questions { Apple iOS }

What is main thread checker?

465

What performance issues can you face when using coredata?

449

What is tableview datasource?

445

Explain parent-child context setup. What are the advantages?

430

What is datasource in ios swift?

434




What is gcd ios?

506

What are the app states in ios?

455

What is polymorphism in ios?

447

Explain the difference between frame and bounds?

511

What is an ios framework?

436

Explain difference between coredata & sqlite?

495

What is the difference between atomic and nonatomic properties?

432

Explain me what is arc? How it works?

446

Explain application sandboxing.

439

What is the difference between viewdidload and viewwillappear?

416

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