[Solved] Which of the following is the correct syntax to check if all elements in an array are even numbers?numbers = [2, 4, 6, 8] # Choose the correct line below | Ruby

Ruby - Enumerable and Collection Processing

Which of the following is the correct syntax to check if all elements in an array are even numbers?

numbers = [2, 4, 6, 8]
# Choose the correct line below

Anumbers.all? { |n| n.even? }

Bnumbers.none? { |n| n.even? }

Cnumbers.any? { |n| n.even? }

Dnumbers.each? { |n| n.even? }

Step-by-Step Solution

Solution:

Step 1: Identify the method to check all elements
To verify every element meets a condition, use all?.
Step 2: Confirm the block checks evenness
The block { |n| n.even? } correctly tests if each number is even.
Final Answer:
numbers.all? { |n| n.even? } -> Option A
Quick Check:
all? checks every element [OK]

Quick Trick: Use all? with a block to check every item [OK]

Common Mistakes:

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Which of the following is the correct syntax to check if all elements in an array are even numbers?