Explain immutable types in objective c programming language?
What is difference between extern and global?
Is it possible to implement dealloc in arc?
What is atomic in objective c?
What is method swizzling in objective c and why would you use it?
What are the three main types of property?
Which language does apple use?
How to print string in objective c?
Who introduced objective-c & when?
How to reverse array in objective c?
What is polymorphism in objective-c?
What is the protocol in objective c?
Will objective c be deprecated?
Why is objective c used?
Explain application life cycle or application states?