What is the difference between atomic and nonatomic properties?
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What are the benefits of swift over objective-c ?
Explain layer objects?
Major difference between delegate and notification?
Explain UIApplication delegate
Which api would you use to write test scripts to exercise the application’s ui elements?
What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.
When would you say that an app is not in a running state?
Explain arc?
In which language ios is written?
What is appdelegate?
Tell me the hierarchy of uibutton.
What's the latest version of ios?