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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Are document objects required for an application? What does they offer?

1 2244

Which is the super class of all view controller objects?

1 5374

What is the purpose of UIWindow object?

1 2619

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

1 2277

Define view object.

1 2105

You wish to define your custom view. Which class will be subclassed?

1 2448

. Apart from incorporating views and controls, what else an app can incorporate?

1 2605

What are layer objects and what do they represent?

1 2994

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

1445

How to debug a crash in the auto-release pool?

1 2484

How will you implement sets and the intersection operation? Complexity?

1362

what is your preferred programming language? Why? How long will it take you to learn a new programming language?

1338

What happens when you invoke a method on a nil pointer?

2520

Explain your process for tracing and fixing a memory leak

2485

Explain how an autorelease pool works at the runtime level

2744

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Un-Answered Questions { Apple iOS }

Why core data is faster than sqlite?

935

How to silent the noisy keyboard?

922

What is uikit in ios?

864

What is Delegation in iOS?

847

What is nsoperation and nsoperationqueue in ios?

942

Define autorealease pool?

906

What is dependency injection in ios?

991

What is latest version of ios?

827

What is difference between static library and framework?

960

Can you explain ios design patterns?

860

Define 'copy' keyword?

829

How to run xcode and other tools with the iphone sdk?

859

What is delegate in ios with example?

863

Explain the difference between nil and nil?

936

how push notification works?

874

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