Bird
0
0

Identify the error in this Ruby code:

medium📝 Debug Q14 of 15
Ruby - Control Flow
Identify the error in this Ruby code:
puts "Done" unless
AIncorrect use of puts
BMissing condition after unless
CShould use if instead of unless
DNo error, code runs fine
Step-by-Step Solution
Solution:

  1. Step 1: Check the inline unless syntax

    Inline unless requires a condition after it to decide when to run the code.

  2. Step 2: Analyze the given code

    The code ends with unless but no condition follows, causing a syntax error.

  3. Final Answer:

    Missing condition after unless -> Option B

  4. Quick Check:

    Inline unless must have a condition [OK]
Quick Trick: Always put a condition after unless [OK]
Common Mistakes:
  • Leaving out the condition after unless
  • Thinking puts usage is wrong
  • Confusing syntax error with runtime error

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Ruby Quizzes
Arrays - Array sorting and reversing - Quiz 7medium Arrays - Array slicing and ranges - Quiz 10hard Loops and Iteration - For loop (rarely used in Ruby) - Quiz 8hard Loops and Iteration - Why Ruby prefers iterators over loops - Quiz 15hard Methods - Bang methods (ending with !) - Quiz 9hard Operators and Expressions - Truthy and falsy values (only nil and false are falsy) - Quiz 10hard Ruby Basics and Runtime - Puts, print, and p output differences - Quiz 11easy Ruby Basics and Runtime - Comments and documentation - Quiz 8hard String Operations - String concatenation and << - Quiz 4medium String Operations - Heredoc syntax for multiline strings - Quiz 4medium