Free Swift Programming Language Practice Test

Q1. Choose the framework which isn't a part of iOS

Foundation

AppKit

CoreMotion

UIKit

Q2. Which of these was the original name of iOS

iPhone OS

iPod OS

iPad OS

iOS was the original name

Q3. Which of these would you use to initialize variable with null?

!

_

NULL

?

Q4. Which of these is used to create mutable object in Swift?

Let

a and b

Var

None of the above

Q5. Which keyword is used to create constants in Swift?

Let

All of the above

Conts

Constants

Q6. Which IDE is used in Swift?

Gas

SwiftC

Xcode

Ld

Q7. Choose the incorrect data type in Swift:

Optional

Unit

Char

Double

Q8. When was the first IOS written?

1988

1987

1989

2007

Q9. Which type of language is Swift?

All of the above

Type safe language

Scripting language

Object oriented programming language

Q10. Which of these declare mutable array in Swift?

var x=[Int]()

let x=[Int]

var x=[Int]

let x =[Int]()

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