What is synchronized() block in objective c? What is the use of that?
Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?
What is difference between performblock: and performblockandwait:?
What are the delegate methods of mkmapview?
Explain the working of manual memory management?
Which JSON framework is supported by iOS?
What is variable in ios?
Who calls the dealloc strategy?
What is framework in ios?
Explain the steps involved in submitting the App to App-Store in iOS operating system?
When would you say that an app is not in a running state?
Explain Apple push notification
What is a delegate xcode?