What is difference between method and constructor?
Is objective c open source?
What are the advantages of swift over objective c?
What is differences between nsnull and nil in objective c?
Is objective c dynamically typed?
What is property classification?
When should you call dealloc method?
What is ivar objective c?
Where is objective c used?
Mention whether nsobject is a parent class or derived class.
What is a goal and objective?
What are the adavantages of gcd over nsthread?
Mention which class can you use for parsing of xml in iphone?
Why swift is better than objective c?
What is a category in objective c?