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In Ruby, what does the equal? method determine when used between two objects?

easy📝 Conceptual Q1 of 15
Ruby - Classes and Objects
In Ruby, what does the equal? method determine when used between two objects?
AWhether both variables point to the exact same object in memory
BWhether the two objects have the same class
CWhether the two objects have identical content
DWhether the two objects respond to the same methods
Step-by-Step Solution
Solution:
  1. Step 1: Understand equal?

    The equal? method checks if two variables reference the exact same object instance in memory.
  2. Step 2: Differentiate from ==

    Unlike ==, which compares content equality, equal? is about object identity.
  3. Final Answer:

    Whether both variables point to the exact same object in memory -> Option A
  4. Quick Check:

    equal? checks object identity [OK]
Quick Trick: equal? checks object identity, not content [OK]
Common Mistakes:
  • Confusing equal? with ==
  • Assuming equal? compares content
  • Thinking equal? checks class equality

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