[Solved] Consider this Ruby code snippet: arr1 = [1, 2, 3] arr2 = arr1 arr3 = [1, 2, 3] puts arr1.equal?(arr2) puts arr1.equal?(arr3) What is the output and why? | Ruby

Ruby - Classes and Objects

Consider this Ruby code snippet:

arr1 = [1, 2, 3]
arr2 = arr1
arr3 = [1, 2, 3]

puts arr1.equal?(arr2)
puts arr1.equal?(arr3)

What is the output and why?

Afalse false

Bfalse true

Ctrue true

Dtrue false

Step-by-Step Solution

Solution:

Step 1: Analyze arr1.equal?(arr2)
Since arr2 is assigned directly from arr1, both point to the same object, so equal? returns true.
Step 2: Analyze arr1.equal?(arr3)
arr3 is a new array with the same content but a different object, so equal? returns false.
Final Answer:
true false -> Option D
Quick Check:
Same object = true, same content but different object = false [OK]

Quick Trick: Assignment copies object reference; new array creates new object [OK]

Common Mistakes:

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