Which of these classes are collections?

If you need to raise a new exception, you will use:

Which one is a valid property name of the NSException class?

What’s the hierarchy of UITextView class until NSObject?

What will be printed on screen after running the following code?

To display some web page, Apple provides a predefined class called:

What is the name of the type of SQL Database that iOS Supports?

Which of the following is an object?

Where is a MKAnnotationView used?

What is a delegate?

ARC means?