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 3837

What are the differences between categories and extensions?

1 2950

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 2834

What is lazy loading?

1 2903

Explain shallow copying and depth copying.

1 2753

What is a struct?

1 3583

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

1 3503

What is posing in iOS?

B-Ways TecnoSoft,

1 3957

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

1 2724

Does iOs supports multitasking?

1 2775

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Un-Answered Questions { Apple iOS }

How do I get ios 13?

820

How nsoperationque works?

803

What are b-trees?

806

What is reuse identifier?

780

Explain place holder constraint

781

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

757

Explain how to silent the noisy keyboard?

879

What is the full meaning of ios?

839

Mention what is the use of po command in xcode?

811

Have you uploaded app on appstore? What is the process?

719

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

1403

How we can execute some code when app is in background?

774

Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)

1562

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

764

What is use of nsoperation? How nsoperationque works?

787

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