What is the difference between atomic and nonatomic properties?
Which is the default for synthesized properties?
Is realm db free?
If you run an application on device , which has location services.Which location it will show first ?
what is Xcode command line tools package?
What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.
Explain difference between coredata & sqlite?
What is view object in ios?
How to start a thread?
What is the difference between NSArray and NSMutableArray in iOS operating system?
What is protocol in ios swift?
What is made up of nserror object?
what are all instruments available in Xcode?