No implicit fallthrough in switch in Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to match the number to its English word using a switch statement.

Swift

let number = 2
var word = ""
switch number {
case 1:
    word = "One"
case 2:
    word = [1]
default:
    word = "Unknown"
}
print(word)

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

A"Two"

B"2"

C2

D"Second"

Attempts:

3 left

💡 Hint

Common Mistakes

Assigning a number instead of a string.

Forgetting the quotes around the word.

The case for number 2 should assign the string "Two" to the variable word.

2fill in blank

medium

Complete the switch statement to print the correct message for the grade.

Swift

let grade = "B"
switch grade {
case "A":
    print("Excellent")
case [1]:
    print("Good")
default:
    print("Needs Improvement")
}

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

A"C"

B"D"

C"B"

D"F"

Attempts:

3 left

💡 Hint

Common Mistakes

Using a character without quotes.

Using the wrong grade letter.

The case should match the grade "B" to print "Good".

3fill in blank

hard

Fix the error in the switch statement by completing the missing case value.

Swift

let day = 3
switch day {
case 1:
    print("Monday")
case [1]:
    print("Tuesday")
default:
    print("Other day")
}

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

A2

B"2"

C3

D"3"

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string instead of an integer for the case.

Using the wrong number for the case.

The case should be 2 without quotes because day is an integer.

4fill in blank

hard

Fill both blanks to create a switch that prints the correct season for the month number.

Swift

let month = 4
switch month {
case [1]:
    print("Winter")
case [2]:
    print("Spring")
default:
    print("Other season")
}

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

A12

B3

C4

D6

Attempts:

3 left

💡 Hint

Common Mistakes

Using string values instead of integers.

Mixing up the month numbers for seasons.

Month 12 is winter, and month 4 is spring.

5fill in blank

hard

Fill all three blanks to create a switch that prints the day type based on the day number.

Swift

let dayNumber = 6
switch dayNumber {
case [1]:
    print("Weekday")
case [2]:
    print("Weekend")
case [3]:
    print("Weekend")
default:
    print("Invalid day")
}

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

A1

B6

C7

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Assigning weekend to wrong day numbers.

Using strings instead of integers.

Days 1 to 5 are weekdays, 6 and 7 are weekends.