Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

Is it possible to write a program without using nib file

1 2193

What NSAutorelease pool

1 2342

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

1562

Explain about design patterns in iOS

1 2247

Explain about MVC Design patters

1 2255

what is singleton class? Why the whole application creates a single instance?

1 2254

Explain @property ,@synthesize

1 2339

what is the difference between nonatomic & atomic

1 3090

What is bundle

1 2278

Explain collections in iOS

1 2804

Explain application states

1291

Explain UIView life cycles

1 3159

Screen resolution of iPhone & iPad

1 2191

Explain about NSURL Connection Delegates

1 2405

Explain @synchronized ,@dynamic

1649

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Un-Answered Questions { Apple iOS }

How is retain different from assign?

783

What is use of uiapplication class?

822

What is the benefit of setting reuseidentifier to a non-nil value?

750

Name the app sate which it reaches briefly on its way to being suspended in iOS operating system?

869

How can a user respond or react to the state transitions on the app?

912

What are all the difference between iOS3, iOS4 and iOS5?

826

Can we use ssl to encrypt the app communication?

797

What is synchronous vs. Asynchronous in gcd ?

780

Explain the difference between nil and nil?

889

What is callback in ios?

789

Is xcode a framework?

882

What is the first responder?

781

What is dynamic dispatch ios?

813

Which language is used in ios?

830

What is background state in ios?

889

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