ARC tracks how many , , and variables?

____ in Swift is implemented with the is and as operators. These two operators provide a simple and expressive way to check the type of a value or cast a value to a different type?

In Swift there are ____ kinds of types named and Compound?

Closure expressions in Swift language follow crisp, optimization, and lightweight syntax styles which includes?

A while loop performs a set of statements until a condition becomes false. These kinds of loops are best used when the number of iterations is not known before the first iteration begins. Swift provides two kinds of while loops?

Output of code snippet? let val1 = 'Hello,' let val2 = 'World' var result = val1 \ val2 print( result )

Shifting Behavior for Unsigned Integers?

What is Managing Memory in Swift?

What will be the output of the following code snippet? var ary1 = [1, 2, 3, 4]; var ary2 = ary1; ary2.append(5); var result = ary1.count;

What are the features of Swift Programming?

Which of the following could be used to indicate the Function Type of the following function: func joinStrings(stringOne: String, stringTwo: String) -> String { return stringOne + stringTwo }