Apple iOS Interview Questions
Questions Answers Views Company eMail

What is iOS?  

2 1431

What's fast enumeration?

2 1365

What are the differences between categories and extensions?

1 1122




What is a singleton?

1 993

Name and explain the iOS app states.

1 1115

What are the memory management rules?

1 1094

Name the memory management rules and their related methods.

1 1135

Explain why delegates and notifications are different.

1 1027




What is lazy loading?

1 1137

Explain shallow copying and depth copying.

1 993

What is a struct?

1 1091

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

1 1522

What is posing in iOS?

B-Ways TecnoSoft,

1 1997

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

1 949

Does iOs supports multitasking?

1 1027


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Un-Answered Questions { Apple iOS }

What is core data in ios swift?

13


Explain difference between sax parser and dom parser?

19


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

22


DB updation when app new version comes ?

431


What is difference between static library and framework?

12






What is shared instance in ios?

12


Can a "delegate" retained in ios?

16


What is arc and how is it different from autorelease?

30


What is the concurrency how many ways you know to achieve concurrency?

12


In iphone development how to import the private key into your keychain?

20


How to use reusable cell in uitableview?

32


Can you explain ios design patterns?

14


Enlist frameworks for cocoa?

21


What is the use of double question marks (“??”) ?

31


What is auto-layout?

40