Can you please explain the way messaging works in objective-c?
What is difference between nsstring and nsmutablestring?
Can you write setter method for a retain property?
How to call function?
Can you use swift and objective c together?
Can we have multiple uiwindows in ios?
Is objective c faster than swift?
What is id type in objective c?
What is the difference between class and category?
Is objective c and c the same?
What is a category in objective c?
Is method and function same?
How declare methods in objective c? And how to call them?
What is difference between nil and nill?
What are the types of ios binaries you can create using xcode?