What is a thread in ios?
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What is UIApplication?
Explain UIView life cycles
Explain differences between foundation and corefoundation
What are the different types of ios application states?
What are the different store migration options? When are they used? How do they work? What is mapping model?
Explain me what is polymorphism?
Is react native easy?
Explain place holder constraint
What is the difference between atomic and nonatomic properties?
What is the difference between stack and heap?
What performance issues can you face when using coredata?
What is completion handler in ios?