What is delegate pattern in iOS?
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What is @dynamic and any place where it is used?
What are different ways that you can specify the layout of elements in a uiview?
What is UICollectionView ?
What is dispatch queue in ios?
What are the benefits of swift over objective-c ?
If you use location services in your app, will it drain your battery.if yes? How can we avoid?
What are the different store migration options? When are they used?
Explain parent-child context setup. What are the advantages?
What is called before viewdidload?
Explain interfaces?
What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
What are the benefits of ios?