Using UIViewController containment, which one of the following statements is true:

What framework is KVO (key value observing) a part of?

Which of the following accesses a variable in structure b?

let a:int=5 a=10 this code is true of false?

Can an exception caught in @ catch be re-thrown?

what does this code produce? [NSString] *myString = @"Hello World";

Correct statement for declaring a new category for UIColor class?

When deleting a CoreData NSManagedObject, you can specify to also delete its properties from the database, by setting a rule called:

Right after an exception occurs, your program executes the code from the:

Which statement about protocols is true?

Which one is NOT a predefined exception class name?