Suppose below variable declaration, select a right answer? import UIKit var str = "string" var ŝanĝiĝema = "хувьсагч" var & = "&"

The following attribute can be used to allow a protocol to contain optional functions and to be used in ObjC?

What is the return type of the following code? func nameFunc() -> String { return 'Jhon' }

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

What does Swift compile to?

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

Which of these is an invalid constant or variable declaration?

To loop through a range of the numbers 1-9 without using 9, you would write…

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

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).'}

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