Semicolons are optional behavior in Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print a message without using a semicolon.

Swift

print("Hello, Swift")[1]

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

A.

B;

C:

D(nothing)

Attempts:

3 left

💡 Hint

Common Mistakes

Adding a semicolon when it is not required.

Using other punctuation marks like colon or period.

In Swift, semicolons are optional at the end of a line. You can leave it empty.

2fill in blank

medium

Complete the code to declare two variables on the same line using a semicolon.

Swift

var a = 5[1] var b = 10

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

A;

B:

C,

D.

Attempts:

3 left

💡 Hint

Common Mistakes

Using a comma instead of a semicolon.

Using a colon or period which are not statement separators.

When declaring multiple statements on the same line in Swift, you separate them with a semicolon.

3fill in blank

hard

Fix the error by adding or removing the semicolon correctly.

Swift

let x = 10[1]
let y = 20

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

A;

B:

C(nothing)

D,

Attempts:

3 left

💡 Hint

Common Mistakes

Adding a semicolon when it is not needed.

Using colon or comma which cause syntax errors.

In Swift, semicolons are optional at the end of a line. Removing the semicolon here is correct.

4fill in blank

hard

Complete the code to write two print statements on the same line correctly.

Swift

print("Hello"); print("World")[1]

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

A;

B(nothing)

C:

D,

Attempts:

3 left

💡 Hint

Common Mistakes

Using commas or colons instead of semicolons.

Adding a semicolon after the last statement unnecessarily.

Use a semicolon to separate statements on the same line. The last statement does not need a semicolon.

5fill in blank

hard

Complete the code to declare three variables on the same line correctly.

Swift

var x = 1; var y = 2; var z = 3[1]

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

A;

B(nothing)

C:

D,

Attempts:

3 left

💡 Hint

Common Mistakes

Using commas or colons instead of semicolons.

Adding a semicolon after the last statement unnecessarily.

Use semicolons to separate multiple statements on the same line. The last statement does not need a semicolon.