What is category in objective c?
Is swift or objective c better?
What is meant by not thread safe?
Can you use swift and objective c together?
How does dispatch_once manages to run only once?
What is parsing? Mention which class can you use for parsing of xml in iphone?
Why swift is better than objective c?
What is nonatomic and strong in objective c?
How do you write a good objective?
What is the class of a constant string?
Explain how the class “implementation” is represented in objective-c?
What is enum in objective c?
What is difference between method and constructor?
Is objective c still used?
What is an objective fact?