Bird
0
0

Which of the following is the correct way to create an empty array in PowerShell?

easy📝 Syntax Q12 of 15
PowerShell - Variables and Data Types
Which of the following is the correct way to create an empty array in PowerShell?
A$arr = []
B$arr = array()
C$arr = {}
D$arr = @()
Step-by-Step Solution
Solution:

  1. Step 1: Recall PowerShell array syntax

    PowerShell uses @() to create arrays, including empty ones.

  2. Step 2: Check each option

    $arr = @() uses @() which is correct. Options A, B, and C use invalid or different syntax for arrays.

  3. Final Answer:

    $arr = @() -> Option D

  4. Quick Check:

    Empty array = @() [OK]
Quick Trick: Use @() to create arrays in PowerShell [OK]
Common Mistakes:
  • Using [] which is not valid for arrays in PowerShell
  • Using {} which is for hashtables or script blocks
  • Using array() which is not recognized in PowerShell

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More PowerShell Quizzes
Cmdlets and Pipeline - Pipeline object flow - Quiz 6medium Cmdlets and Pipeline - Sort-Object for ordering - Quiz 11easy Cmdlets and Pipeline - Sort-Object for ordering - Quiz 13medium Control Flow - For loop - Quiz 13medium Operators - Range operator (..) - Quiz 14medium Operators - Comparison operators (-eq, -ne, -gt, -lt) - Quiz 5medium PowerShell Basics and Environment - Why PowerShell exists - Quiz 4medium PowerShell Basics and Environment - PowerShell versions (5.1 vs 7+) - Quiz 4medium Variables and Data Types - Integer and floating-point types - Quiz 8hard Variables and Data Types - String type and interpolation - Quiz 3easy