Which of the following is the correct syntax for a while loop in Ruby?

easy📝 Syntax Q12 of 15

Ruby - Loops and Iteration

Which of the following is the correct syntax for a while loop in Ruby?

Awhile condition # code loop

Bwhile (condition) { # code }

Cwhile condition: # code

Dwhile condition do # code end

Step-by-Step Solution

Solution:

Step 1: Recall Ruby while loop syntax
Ruby uses while condition do ... end or while condition ... end without braces.
Step 2: Check each option
while condition do # code end matches Ruby syntax. Options B and C use other languages' syntax. while condition # code loop is invalid.
Final Answer:
while condition do\n # code\nend -> Option D
Quick Check:
Ruby while loop uses do/end [OK]

Quick Trick: Ruby uses do/end, not braces or colons for while [OK]

Common Mistakes:

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