Explain Swift’s pattern matching techniques 48. What is NSURLConnection class? Define its types and use cases. What is the difference between Cocoa and Cocoa Touch? 46. What is the difference between an ‘App ID’ and a ‘Bundle ID’? What is each used for? 44. What is the purpose of reuseIdentifier? What is the benefit of setting it into a non-nil value? 42. Does Objective-C contain private methods? 39. How can you prevent the iOS 8 app's streaming video media from being captured by QuickTime Player on Yosemite during screen recording? 38. What is the difference between atomic- and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other? 37. What is the difference between strong, weak, read-only, and copy? 34. What is the abbreviation of ARC? Advanced Interview Questions 33. Mention various ways to achieve concurrency in iOS? 30. Why is the design pattern very important? 28. Describe managed object context and its function. How to Prioritize Usability in Design? 25. Differentiate between a frame and a bound? 24. What is SpriteKit and what is SceneKit? 22. What are the different ways to specify the layout of elements in UIView? 21. What are the advantages of the Realm framework? 20. What is the difference between retain and assign? 17. Explain the different types of iOS Application States. What is the difference between KVC and KVO? 15. What are the features added in iOS 9? 14. What is Swift and what is Objective-C? 12. What are UI Elements in iOS? Intermediate Interview Questions 11. How can you respond to state transitions on your app? 8. What is the difference between Synchronous & Asynchronous tasks? 7. Which is the application thread from where UIKit classes should be used? 6. Name the framework that is used to construct the application’s user interface for iOS. Which JSON framework is supported by iOS (iPhone OS)? 3. Table of Contents Check out this video on iOS Development Tutorial: Basic Interview Questions 1.
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