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Top iOS Interview Questions And Answers for Beginners

9/11/2014

10 Comments

 
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I am looking forward to deliver the best iOS Interview questions  to help the developers.

This is one of my best samples to target for beginners.
​
What you just need is a strong passion to build your own app and send your valuable feedback,so that I can gather more stuffs.
Read:

Most Important iPhone interview Questions and Answers
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1.What are the differences between Exceptions and Errors?
Answer:

Exceptions:

Exceptions are the programmer-level bugs like trying to access an object t that doesn’t exist.

They are designed to inform the developer that an unexpected condition occurred.
Since they usually result in the program crashing, exceptions should rarely occur in your production code.

Exceptions are represented by the NSException class

Errors:

Errors are user-level bugs like trying load a file that doesn’t exist. Because errors are expected during the normal execution of a program, you can manually check for these kinds of conditions and inform the user when they occur.

Most of the time, they should not cause your application to crash.

 Errors are represented by the NSError class.


2.What is the difference between Cocoa and Cocoa Touch?
Answer:-

Cocoa

Cocoa is the application framework for developing applications in  Mac OS X.
Cocoa is commonly referred to as the combination of the Foundation and AppKit frameworks, 

 Cocoa Touch
Cocoa Touch is the application framework for iPhone,iPad and iPod Touch .
Cocoa Touch is the combination of the Foundation and UIKit frameworks.

Related Blog
Cocoa Vs Cocoa Touch                   

Read:
Basic iOS interview Questions And Answers 
Top 5 Frequently Asked iOS Interview Questions And Answers.


3.What is Xcode?
Answer:


Xcode is an integrated development environment (IDE) containing a suite of software development tools developed by Apple for developing software for OS X and iOS.


 Related Blog:
Introduction to Xcode
       
Read:
Top iOS interview Questions And Answers Collection
iOS Interview Questions And Answers For 1-2 years Experienced Candidates.

4.What is plist?
Answer:


In iPhone development, Property Lists are a key-value store that your application can use to save and retrieve persistent data.

Plist means PropertyList It is XML file format It is mainly user for store and retrieve  data It can store as  key-value pair


 Related Blog:
 Explain use of Plist in Xcode                 

Read:
Top 5 Frequently Asked iOS Interview Questions And Answers.
Top  Interview Questions And Answers in Objective C

5.What is IPA?
Answer:


IPA stands for "iOS App Store Package".
An .ipa file is an iPhone application archive file which stores an iPhone app. It is usually encrypted with Apple's FairPlay DRM technology. Each .ipa file is compressed with a binary for the ARM architecture and can only be installed on an iPhone, iPod Touch, or iPad


 Related Blog:
Explain details about iPa in iOS .
                             
Read:
Explain some features included in iOS 9 
What is App Thinning in iOS ?
What is Slicing in iOS?


6.What is xib?
Answer:-


The .xib file extension is most commonly associated with Interface Builder files.

Interface Builder is a graphics editing software that is used to design and test the user interfaces of a variety of software products.

The files with the .xib file extension contain development time format files.
These files contain the interface files created with the Interface Builder software.

                               
Related Blog:
Explain in details Xib in Xcode
Explain the role of UIKit in iOS Development.

Read:
Swift Interview Questions And Answers part 1
An Introduction To The Swift Programming Language
Swift 2 Tutorial Part 2: Basics
How to Integrate Google Signin SDK in iOS Application using Swift 
How To Add  A SWIFT Bridging Header in iOS
Top Swift interview Questions And Answers for Freshers 



10 Comments
Mehul Poraniya
8/17/2015 06:55:34 pm

thank you so much sir...... :)

Reply
softinx
9/29/2015 01:55:35 am

Nice collections of IOS interview questions @ https://intellipaat.com/interview-question/ios-interview-questions/

Reply
Brian
11/12/2015 02:21:58 pm

This is great, thanks!

Reply
VG
1/11/2016 02:20:08 am

http://www.radome.in/2016/01/best-collection-of-interview-questions.html

Reply
ANUSHA CHERUKURI
1/27/2016 07:07:14 am

its very helpful ..... thank u sooo much

Reply
Pradeep R link
2/3/2016 10:12:38 am

its very helpful........thank you sir

Reply
Sharmili
7/1/2016 01:53:18 am

Thank u very much it is very useful

Reply
Jitendra link
7/1/2016 04:58:36 pm

You are welcome Sharmili.I am happy and more encouraged to post more and more stuffs .Please keep visiting my blogs .

Reply
sona link
10/7/2016 04:53:26 am

nice questions

Reply
hjkhjjhjh hhjhjjh
4/20/2017 04:47:27 am

Reply

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I am Jitendra Gochhayat,an iOS Developer,Designer,blogger,
​from Odisha,India.
I write about ​​​blog tips and,
Make money online Tips,
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