Enum class declaration in Kotlin - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an enum class named Direction.

Kotlin

enum class [1] {
    NORTH, SOUTH, EAST, WEST
}

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

Adirection

BDirection

CEnumDirection

DDirections

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for the enum class name

Using plural form instead of singular

The enum class name should be Direction with capital D as per Kotlin naming conventions.

2fill in blank

medium

Complete the code to access the enum constant EAST from Direction.

Kotlin

val dir = Direction.[1]

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Aeast

BeAST

CEast

DEAST

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or mixed case for enum constants

Enum constants in Kotlin are uppercase by convention, so EAST is correct.

3fill in blank

hard

Fix the error in the enum class declaration by completing the blank.

Kotlin

enum [1] Direction {
    NORTH, SOUTH, EAST, WEST
}

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Aclass

Benumclass

CEnum

Denum_class

Attempts:

3 left

💡 Hint

Common Mistakes

Writing enumclass as one word

Using incorrect keywords like Enum or enum_class

The correct syntax to declare an enum class in Kotlin is enum class.

4fill in blank

hard

Fill both blanks to declare an enum class Color with constants RED and BLUE.

Kotlin

enum [1] [2] {
    RED, BLUE
}

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Aclass

Bobject

CColor

Dcolor

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for the class name

Using object instead of class

The correct syntax is enum class Color to declare the enum class.

5fill in blank

hard

Fill all three blanks to create an enum class Weekday with constants MONDAY and FRIDAY.

Kotlin

enum [1] [2] {
    [3], FRIDAY
}

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Aclass

BWeekday

CMONDAY

Dweekday

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for class or constant names

Missing the class keyword

The enum class declaration is enum class Weekday and constants are uppercase like MONDAY.