Try-Catch-Finally in PowerShell - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a try block in PowerShell.

PowerShell

try [1]

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

A<

B[

C(

D{

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses or square brackets instead of curly braces.

Forgetting to open the block with any symbol.

In PowerShell, a try block starts with the keyword 'try' followed by an opening curly brace '{'.

2fill in blank

medium

Complete the code to catch an exception in PowerShell.

PowerShell

catch [1]

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

A(Exception)

B[Exception]

C{Exception}

D<Exception>

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses or curly braces instead of square brackets.

Omitting the exception type brackets.

In PowerShell, the catch block can specify the exception type in square brackets, like [Exception].

3fill in blank

hard

Fix the error in the finally block syntax.

PowerShell

finally [1] Write-Host "Cleanup done" }

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

A{

B[

C(

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses or square brackets instead of curly braces.

Forgetting to open the block with any symbol.

The finally block must start with an opening curly brace '{' to contain the code block.

4fill in blank

hard

Fill both blanks to complete a try-catch block that writes an error message.

PowerShell

try [1] Write-Host "Trying code" } catch [2] Write-Host "Error caught" }

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

A{

B[Exception]

D(Exception)

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses instead of curly braces for blocks.

Mixing up exception type syntax.

The try block starts with '{' and the catch block also starts with '{'. The exception type is optional but here omitted.

5fill in blank

hard

Complete the code to complete a try-catch-finally block that handles errors and cleans up.

PowerShell

try { Write-Host "Start" } catch {{BLANK_2} Write-Host "Caught error" } finally { Write-Host "Done" }

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

A{

B[Exception]

D(

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses instead of curly braces.

Omitting exception type brackets in catch.

Try and finally blocks start with '{'. Catch specifies exception type in '[Exception]' and also uses '{' to open the block.