How do you get closure?

1

What is method swizzling in objective c and why would you use it?

1

When should you call dealloc method? Is it possible to implement dealloc in arc?

1

Can delegates be retained?

1

What is a class in objective c?

1

What is single inheritance in objective-c?

1

How do you write a good objective?

1

Tell us the result when you invoke a particular method on a nil pointer?

1

What is atomic property?

1

What is concept of property?

1

What happens with the objects if the array is released?

1

What is an nsobject?

1

What is mark and sweep algorithm?

1

What are the delegate?

1

What are the classifications of property?

1