PowerShell - String Operations
You have variables $firstName = "Jane" and $lastName = "Doe". Which PowerShell command correctly concatenates these with a space and outputs the full name?
You have variables $firstName = "Jane" and $lastName = "Doe". Which PowerShell command correctly concatenates these with a space and outputs the full name?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand string interpolation
Double quotes allow variable expansion in PowerShell.Step 2: Check concatenation with space
Using "$firstName $lastName" inserts a space between the variables.Step 3: Analyze other options
Write-Output $firstName + $lastName concatenates without space; C uses single quotes (no expansion); D uses invalid syntax.Final Answer:
Write-Output "$firstName $lastName" -> Option AQuick Check:
Use double quotes for variable expansion with spaces [OK]
Quick Trick: Use double quotes for variable expansion with spaces. [OK]
Common Mistakes:
- Using single quotes which prevent variable expansion.
- Concatenating without adding a space.
- Using invalid operators like '-join' incorrectly.
Master "String Operations" in PowerShell
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