Ruby - Loops and Iteration
Which of the following is the correct syntax for a
for loop in Ruby to iterate over an array ["a", "b", "c"]?Which of the following is the correct syntax for a for loop in Ruby to iterate over an array ["a", "b", "c"]?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Check the correct Ruby for loop syntax
Ruby usesfor variable in collection do ... endor withoutdo.Step 2: Validate each option
for x in ["a", "b", "c"] do puts x end uses correct syntax withfor x in array do ... end. for (x : ["a", "b", "c"]) puts x end and C use invalid syntax. for x in ["a", "b", "c"] puts x missesendto close the loop.Final Answer:
for x in ["a", "b", "c"] do puts x end -> Option CQuick Check:
Correct Ruby for loop uses 'for x in collection do ... end' [OK]
Quick Trick: Remember: for x in collection do ... end is correct Ruby syntax [OK]
Common Mistakes:
- Using colon or 'to' instead of 'in'
- Omitting the 'end' keyword
- Adding parentheses incorrectly
Master "Loops and Iteration" in Ruby
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Ruby Quizzes