[Solved] What is wrong with this PowerShell code?$arr = @()$arr = $arr + 'item' — Ans: No error; this correctly adds 'item' to the array | PowerShell

PowerShell - Working with Objects

What is wrong with this PowerShell code?

$arr = @()
$arr = $arr + 'item'

ANo error; this correctly adds 'item' to the array

BYou cannot use + operator with arrays

CThe array must be declared as [object[]]

DThe variable $arr is read-only

Step-by-Step Solution

Solution:

Step 1: Understand array concatenation
Using + with arrays concatenates and returns a new array.
Step 2: Check code behavior
$arr + 'item' adds 'item' to array; assigning back to $arr updates it correctly.
Final Answer:
No error; this correctly adds 'item' to the array -> Option A
Quick Check:
+ operator concatenates arrays = A [OK]

Quick Trick: Use + to concatenate arrays and assign back [OK]

Common Mistakes:

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