[Solved] What will this code print?class Array def second self[1] end end arr = [10, 20, 30] puts arr.second — Ans: 20 | Ruby

Ruby - Class Methods and Variables

What will this code print?

class Array
  def second
    self[1]
  end
end

arr = [10, 20, 30]
puts arr.second

A10

B20

C30

DError: undefined method second

Step-by-Step Solution

Solution:

Step 1: Understand the reopened Array class
The second method returns the element at index 1.
Step 2: Apply the method to the array [10, 20, 30]
The element at index 1 is 20, so arr.second returns 20.
Final Answer:
20 -> Option B
Quick Check:
Array second element = 20 [OK]

Quick Trick: Index 1 is the second element in arrays [OK]

Common Mistakes:

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