In what order will the following statements appear in the console? println("1") dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY _DEFAULT, 0), {println("2")}); println("3")

When declaring a function, what symbol is used to indicate that an internal parameter name should also be used as an external parameter?

What is the result of the following code? func potteryBarn (name: String, score: Int) -> String { return 'Hello (name)! Your score is (score).' } potteryBarn ('Tom' , 2)

What is the return type in the following declaration: func potteryBarn (name: String, score: Int) -> String { return 'Hello (name)! Your score is (score).'}

What are the names of the input parameters in the following function: func potteryBarn (name: String, score: Int) -> String {return 'Hello (name)! Your score is (score).'}

Which is the correct optional form of a down cast operator?

Objective-C nullable properties will appear as __ properties when imported to Swift project.

Closures capture ____ reference of objects by default

Please check following code and tell what can be problem? import UIKitvarintVar:Int?=3 intVar = nil varstrVar:StringstrVar = nil

What does Swift compile to?

What is the correct way to import Objective-C files into Swift?