iOS Interview Questions and Answers

Video contains the most popular questions and answers asked during iOS Interview.

Video covers:
- coding tasks
- concurrency on iOS
- memory management and Automatic Reference Counting
- iOS applications states
- UIViewController states
- design patterns in Cocoa (MVC, MVVM, Decorator, Observer, Singleton)

Objective-C:
- difference between atomic and nonatomic properties
- “strong” and “weak” references

Swift:
- tuples
- differences between a struct and a class
- keyword “defer”
- lazy loading
- "guard" statement
- swift access levels

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[vinealviji]

Your research on the questions was very good. I liked that you covered almost everything.

[theAppleWizz]

I want to add 11:57 that you can name params in tuples. example let tuple = (value: Int, valueString: String) ; then you can do this tuple.value or tuple.valueString and not tuple.0 or tuple.1

[АлексйУваровъ]

I wish I’d be asked such simple questions at every interview. Generally, I have to tell in details about the dispatch tables, thread safety and POSIX .

[dennycad]

Hey, thanks for content. How difficult is it to find an iOS internship in Poland?

[cineverseproductions]

In 2020, they ask the same kind of questions. It's pretty much the same everywhere in the companies taking iOS coding tests and interviews. Thanks for the good content. :)

[hetalshukla]

Thank you so much for this video.
You gave very clear and important information.
It's very useful for sure.
Much appreciated
Thank you

[wylanneely]

What advantage does a tuple have over using else and ifs? Or is it just for syntax readability

[teaberry]

What about data structures and algorithms as possible questions for iOS Interviews?

[fierce]

What about Unit/UI Testing? Does that ever show up in interview questions?

[sakaik]

Thanks, very helpful for my upcoming interview!

[mistermagic]

This is definitely useful information, thanks! But a good (some would say mean) interviewer will not ask about basic knowledge you could look up, for example by watching a Youtube video :P Instead you will be asked questions that implicitely reveal your knowledge about the basic stuff. Just my experience from Germany ✌️ :)

[manoeltsf]

Excellent examples of questions. It's was very interesting because had a lot of things and subjects present in my first course of IOS. I'm from JAVA, PHP, and WEB. And now I am studying IOS. My thoughts were only to understand whats happens behind Flutter or React Native I had studied and now I think is a good idea to be an IOS developer. You can call me for an interview in January, Tom 😆 Thank you for more this good content.

[muhammadmurteza]

which mic you use for voice recording .I also want to share my experience .?

[amdizle]

Most of the time you live code with screen share not paper and pen..

[smarter]

TOM czy tomek? To be honest I think Tomek is teh correct answer dude:)

[MsMutahir]

You look so nervous, so annoying that you are in taking your spit!!!