Coding HS

What are the features of Swift Programming?

• Arrays and integers are checked for overflow

• Swift function can be used instead of using “if” statement

• Swift eliminates the classes that are in an unsafe mode

• All of the above

The expression that creates a closure is Swift is called In other languages it is also called a Lambda or 4. Anonymous.

• Parameter

• Closure Expression

• Defined

• Control

Concerning Swift, what are the common execution states in iOS?

• Not running

• Inactive

• Active

• All of the above

What statement can be used to stop the execution of a loop, if, or switch statement?

• Stop

• Execute

• Damper

• Break

What are the collection types available in Swift?

• Array

• Dictionary

• Both (A) and (B)

• None

How many types of integers are in Swift?

• 1

• 2

• 3

• 4

Numbers with decimal values or fractional components are called?

• decimal number

• integer number

• floating numbers

• All of the above

In Swift programming language, single-line comments are started with

• single slashes

• double slashes

• asterisk

• hash

Given : var stringValue:String = 'Justin Gif' What is the result of stringValue = nil?

• stringValue = = nil

• stringValue =='Justin Gif'

• the compiler won't allow it

• None

Ruby was written in which language?

• C

• C++

• Java

• Objective C