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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Define 'retain' keyword?

872

Explain how to hide images in ios?

883

Differentiate between release and pool drain?

905

How to parse json?

914

What manual memory management?

836

Explain how to delete images in ios?

901

What is the difference between release and autorelease?

955

What is the difference between 'assign' and 'retain' keyword?

966

Explain the difference between frame and bounds?

997

Explain the working of manual memory management?

971

What is atomic and non atomic in ios?

876

What is polymorphism in ios?

875

What is datasource in ios?

849

What is abstract class in ios?

869

What are the design patterns in ios?

942

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Un-Answered Questions { Apple iOS }

How to change the content of your app in order to change the views displayed in the corresponding window?

815

What is onboarding and why is it so important for mobile design? : IOS Architect

866

Differentiate between ‘assign’ and ‘retain’ keyword.

931

Explain @synchronized ,@dynamic

1714

What are ios apps coded in?

922

What is retain in ios?

827

What is nspersistentstore? Is it thread safe?

995

What are layer objects?

909

What are the App states in iOS operating system? Explain them

840

Explain what is struct?

905

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

914

What is race condition in ios?

868

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

834

In mapKit frame work, how to get current user location

1393

What is dependency injection in ios?

994

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