What is atomic property?
Can we have multiple uiwindows in ios?
Why do we require class extension?
What is concept of property?
Are id and instancetype same? If not, what are differences between them?
Who introduced objective-c & when?
How dispatch_once runs only once?
Explain the types of protocol?
How to add custom cell in uitableview in objective c?
What is a function file?
What does mean in objective c?
When will you use nsarray and nsmutablearray?
Is objective-c a dynamic language?
What is property and its types?
What is protocol in simple words?