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 3558

What's fast enumeration?

2 3727

What are the differences between categories and extensions?

1 2883

What is a singleton?

1 3315

Name and explain the iOS app states.

1 3008

What are the memory management rules?

1 2866

Name the memory management rules and their related methods.

1 2910

Explain why delegates and notifications are different.

1 2754

What is lazy loading?

1 2826

Explain shallow copying and depth copying.

1 2679

What is a struct?

1 3503

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

1 3422

What is posing in iOS?

B-Ways TecnoSoft,

1 3884

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

1 2627

Does iOs supports multitasking?

1 2694

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Un-Answered Questions { Apple iOS }

Explain the difference between cocoa and cocoa touch?

833

What is abstract class in ios?

792

What is autorealease pool?

901

Explain Apple push notification

1375

What ios version onwards arc can be used?

779

What is the purpose of reuseidentifier?

801

Explain ios multitasking?

760

Arc is compile time or run time feature?

827

What is the use of 'dynamic' keyword?

873

How can we achieve singleton pattern in iOS?

805

How to delete images in ios?

781

What is nsoperationqueue?

779

What is arc ? How it works?

933

Explain me how to parse xml?

789

What is nsfetchedresultscontroller?

858

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