When would you use nsarray and nsmutablearray?
What is the difference between class and category?
When to use nsautoreleasepool??
What is nonatomic and strong in objective c?
What is retain count?
What can objective c be used for?
How do I open .m files?
What is gcd?
What is #import?
What is difference between objective c and swift programming?
What is a class in xcode?
Is objective c statically typed?
Is objective c better than swift?
What is single inheritance in objective-c?
Is objective c superset of c?