Throw statement in PowerShell - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to throw an error with the message 'Invalid input'.

PowerShell

throw [1]

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

A'Invalid input'

BInvalid input

CError 'Invalid input'

DWrite-Error 'Invalid input'

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to put the message in quotes causes a syntax error.

Using Write-Error instead of throw does not stop script execution.

The throw statement requires a string message enclosed in quotes to throw an error with that message.

2fill in blank

medium

Complete the code to throw a custom error object with the message 'File not found'.

PowerShell

$error = New-Object System.Exception([1])
throw $error

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

A'File not found'

B[File not found]

CFile not found

D{File not found}

Attempts:

3 left

💡 Hint

Common Mistakes

Not quoting the message causes an error.

Using brackets or braces instead of quotes is invalid.

The New-Object constructor expects a string message, so the message must be in quotes.

3fill in blank

hard

Fix the error in the code to correctly throw an error with the message 'Access denied'.

PowerShell

throw [1]

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

AAccess denied

BWrite-Error 'Access denied'

C[Access denied]

D'Access denied'

Attempts:

3 left

💡 Hint

Common Mistakes

Leaving the message unquoted causes a syntax error.

Using Write-Error does not throw an exception.

The throw statement requires a string message in quotes. Without quotes, it causes a syntax error.

4fill in blank

hard

Fill both blanks to throw a new exception with the message 'Operation failed'.

PowerShell

throw New-Object System.[1]([2])

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

AException

B'Operation failed'

C'Operation succeeded'

DError

Attempts:

3 left

💡 Hint

Common Mistakes

Using Error instead of Exception causes an error.

Not quoting the message causes a syntax error.

The correct class is Exception and the message must be a quoted string.

5fill in blank

hard

Fill all three blanks to throw a new System.Exception with a message stored in variable $msg.

PowerShell

$msg = 'Disk full'
throw New-Object System.[1]([2])

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

AException

B$msg

C'$msg'

DError

Attempts:

3 left

💡 Hint

Common Mistakes

Putting $msg in quotes passes the literal string '$msg' instead of its value.

Using Error instead of Exception causes an error.

Use Exception class and pass the variable $msg without quotes to use its value.