Bird
0
0

What is wrong with this Ruby comment?

medium📝 Debug Q7 of 15
Ruby - Basics and Runtime
What is wrong with this Ruby comment?
#This is a comment without space
ANo error, this is valid Ruby comment
BComments must start with //
CComments must have a space after #
DComments cannot be on a single line
Step-by-Step Solution
Solution:

  1. Step 1: Understand Ruby comment rules

    Ruby allows comments starting with # with or without space after it.

  2. Step 2: Verify comment validity

    The comment is valid even without a space after #.

  3. Final Answer:

    No error, this is valid Ruby comment -> Option A

  4. Quick Check:

    Space after # is optional in Ruby comments [OK]
Quick Trick: Space after # in comments is optional [OK]
Common Mistakes:
MISTAKES
  • Thinking space is required
  • Using // for comments
  • Believing comments must be multi-line

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Ruby Quizzes
Control Flow - Case with ranges and patterns - Quiz 3easy Hashes - Merge and update methods - Quiz 1easy Methods - Variable-length arguments (*args) - Quiz 9hard Methods - Predicate methods (ending with ?) - Quiz 3easy Operators and Expressions - Logical operators (&&, ||, !) - Quiz 12easy Ruby Basics and Runtime - Puts, print, and p output differences - Quiz 4medium Ruby Basics and Runtime - How Ruby interprets code at runtime - Quiz 14medium Ruby Basics and Runtime - Puts, print, and p output differences - Quiz 13medium String Operations - Gsub and sub for replacement - Quiz 15hard Variables and Data Types - String interpolation with #{} - Quiz 9hard