[Solved] Identify the error in this Ruby code snippet: arr = [5, 2, 9] arr.sort! arr.reverse puts arr.inspect | Ruby

Ruby - Arrays

Identify the error in this Ruby code snippet:

arr = [5, 2, 9]
arr.sort!
arr.reverse
puts arr.inspect

AMissing parentheses in method calls cause errors.

BThe <code>sort!</code> method is invalid syntax.

CThe array <code>arr</code> cannot be reversed after sorting.

DUsing <code>reverse</code> does not change <code>arr</code> in place.

Step-by-Step Solution

Solution:

Step 1: Understand sort! effect
sort! sorts the array arr in place, so arr becomes [2, 5, 9].
Step 2: Check reverse method usage
reverse returns a new reversed array but does not modify arr itself.
Final Answer:
Using reverse does not change arr in place. -> Option D
Quick Check:
reverse without ! returns new array [OK]

Quick Trick: Use reverse! to modify array in place [OK]

Common Mistakes:

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