Tell us the result when you invoke a particular method on a nil pointer?
How do you get closure?
Can delegates be retained?
What does __ block do?
Why is objective c used?
Does objective c have pointers?
What is the protocol in objective c?
How to initialize nsmutabledictionary in objective c?
What is objective point of view?
How do I import a swift file into objective c?
Is objective c similar to c++?
How to create uibutton programmatically in objective c?
Can we create dynamic classes in objective c? If yes, explain how to create with a valid use case?
What number distinctive annotations is accessible in objective-c?
What is meant by not thread safe?