Enum with switch pattern in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an enum named Color.

C Sharp (C#)

enum [1] { Red, Green, Blue }

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Acolor

BColors

CColor

DColour

Attempts:

3 left

💡 Hint

Common Mistakes

Using plural form like 'Colors' instead of singular 'Color'.

Using lowercase names which is not a C# convention.

The enum is named Color to represent colors.

2fill in blank

medium

Complete the switch expression to return the string name of the color.

C Sharp (C#)

string GetColorName(Color color) => color switch { Color.Red => [1], _ => "Unknown" };

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ARed

B"Red"

C'Red'

DRed.ToString()

Attempts:

3 left

💡 Hint

Common Mistakes

Returning the enum member itself instead of a string.

Using single quotes which are for characters, not strings.

The switch expression returns the string "Red" for Color.Red.

3fill in blank

hard

Fix the error in the switch expression to handle all enum values.

C Sharp (C#)

string GetColorName(Color color) => color switch { Color.Red => "Red", Color.Green => [1], Color.Blue => "Blue", _ => "Unknown" };

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

Acolor.ToString()

BGreen

C'Green'

D"Green"

Attempts:

3 left

💡 Hint

Common Mistakes

Returning the enum member instead of a string.

Using single quotes instead of double quotes.

The switch expression must return the string "Green" for Color.Green.

4fill in blank

hard

Fill both blanks to complete the switch expression that returns a message for each color.

C Sharp (C#)

string GetColorMessage(Color color) => color switch { Color.Red => [1], Color.Green => [2], _ => "Color not recognized" };

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A"Stop!"

B"Go!"

C"Wait!"

D"Slow down!"

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up messages for colors.

Forgetting to use quotes around the messages.

The messages correspond to the colors: Red means "Stop!" and Green means "Go!".

5fill in blank

hard

Fill all three blanks to create a switch expression that returns the color's hex code.

C Sharp (C#)

string GetColorHex(Color color) => color switch { Color.Red => [1], Color.Green => [2], Color.Blue => [3], _ => "#000000" };

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A"#FF0000"

B"#00FF00"

C"#0000FF"

D"#FFFFFF"

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up hex codes for colors.

Using quotes incorrectly or missing them.

The hex codes represent the colors: Red is #FF0000, Green is #00FF00, and Blue is #0000FF.