Interview Questions and Answers for iOS 2019

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Video contains most popular questions and answers asked during iOS Interview in 2019.

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

xcode tutorials swift

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