What is the output of this Ruby code?

medium📝 Predict Output Q13 of 15

Ruby - Loops and Iteration

i = 0
while i < 3
  i += 1
  if i == 2
    redo
  end
  puts i
end

A1 2 2 2 ... (infinite loop)

B1 3

C1 2 3

D1 3 3

Step-by-Step Solution

Solution:

Step 1: Trace the loop and redo behavior
When i == 2, redo repeats the current iteration without incrementing i again, causing the loop to print 2 repeatedly.
Step 2: Understand infinite repetition
Since i is not changed inside the redo loop, it never moves past 2, causing an infinite loop printing 2 repeatedly.
Final Answer:
1 2 2 2 ... (infinite loop) -> Option A
Quick Check:
redo repeats current step causing infinite loop [OK]

Quick Trick: Redo repeats current step, watch for infinite loops [OK]

Common Mistakes:

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