[Solved] Identify the problem in this code: arr = [1, 2, 3] result = arr.inject(0) { |sum, n| sum * n } puts result | Ruby

Ruby - Enumerable and Collection Processing

Identify the problem in this code:

arr = [1, 2, 3]
result = arr.inject(0) { |sum, n| sum * n }
puts result

AMissing return statement in block

BBlock parameters are incorrect

Cinject cannot be used with multiplication

DInitial value 0 causes product to always be 0

Step-by-Step Solution

Solution:

Step 1: Analyze initial value and operation
Starting with 0 and multiplying by any number results in 0 always.
Step 2: Understand effect on result
Result will always be 0, which is likely unintended for product calculation.
Final Answer:
Initial value 0 causes product to always be 0 -> Option D
Quick Check:
Multiplying from 0 yields 0 always [OK]

Quick Trick: Use 1 as initial for multiplication, not 0 [OK]

Common Mistakes:

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