Can I use objective c in swift?
What are properties and instance variables in objective c and swift?
Can delegates be retained?
Can you write setter method for a retain property?
What is a hash string?
How do you write a good objective?
What objective-c program consists of?
What is the definition of an objective statement?
What is difference between objective c and swift?
What is category in objective c?
What do you understand by protocol?
What is synthesize objective c?
Where is objective c used?
What are kvc and kvo? Provide an example.
When should you call dealloc method?