What is the difference between method and type?
How do you get closure?
How do you define a block?
What does r mean in xcode?
What is a block objective c?
What are the 5 performance objectives?
What is abstract class in objective c?
What is an example of tangible property?
What is block variable?
What is protocol in objective-c?
What is responder chain?
Is objective c compiled?
Why create a custom view?
What does @synchronized() do?
Mention what is the primary use of the category in the objective-c?