Enum declaration and cases in Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an enum named Direction.

Swift

enum [1] {
    case north
    case south
    case east
    case west
}

Drag options to blanks, or click blank then click option'

AMove

Bdirection

CDirection

DDirections

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for enum name

Using plural form which is not the given enum name

The enum name should be Direction with a capital D as per Swift naming conventions.

2fill in blank

medium

Complete the code to add a case named 'up' to the enum.

Swift

enum Movement {
    case [1]
    case down
}

Drag options to blanks, or click blank then click option'

Aright

Bleft

Cforward

Dup

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase letters for case names

Choosing a wrong direction name

The case to add is up as specified.

3fill in blank

hard

Fix the error in the enum case declaration.

Swift

enum Color {
    case [1]
}

Drag options to blanks, or click blank then click option'

Ared

BRED

CRed

DrEd

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase letters for enum cases

Using mixed case which is not standard

Enum cases in Swift should be lowercase, so red is correct.

4fill in blank

hard

Fill both blanks to declare an enum with two cases: 'spring' and 'fall'.

Swift

enum Season {
    case [1]
    case [2]
}

Drag options to blanks, or click blank then click option'

Aspring

Bsummer

Cfall

Dwinter

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong season names

Using uppercase letters

The enum Season has cases spring and fall as requested.

5fill in blank

hard

Fill all three blanks to declare an enum with cases 'small', 'medium', and 'large'.

Swift

enum Size {
    case [1]
    case [2]
    case [3]
}

Drag options to blanks, or click blank then click option'

Asmall

Bmedium

Clarge

DextraLarge

Attempts:

3 left

💡 Hint

Common Mistakes

Including a case not requested like 'extraLarge'

Using uppercase letters

The enum Size includes the cases small, medium, and large as required.