What is class extension?
What is abstract class in objective c?
Mention which class can you use for parsing of xml in iphone?
Explain what is #import?
What is a hash string?
Explain the difference in xib/storyboard vs nib?
What do you understand by protocol?
What is a function file?
What is the difference between c and objective c?
What are nsautoreleasepool?
What is atomic in objective c?
What is difference between method and constructor?
Explain what are the attributes of category?
When will you use nsarray and nsmutablearray? Which one is faster?
What can objective c be used for?