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Which Ruby feature affects the method lookup chain?

easy📝 Conceptual Q2 of 15
Ruby - Inheritance

Which Ruby feature affects the method lookup chain?

AInheritance and included modules
BVariable assignment
CMethod parameters
DComments in code
Step-by-Step Solution
Solution:

  1. Step 1: Recall what affects method lookup

    Ruby searches methods in the class, then included modules, then superclasses.

  2. Step 2: Identify relevant features

    Inheritance and modules included in a class change the lookup chain order.

  3. Final Answer:

    Inheritance and included modules -> Option A

  4. Quick Check:

    Method lookup chain affected by inheritance and modules [OK]
Quick Trick: Inheritance and modules change lookup order [OK]
Common Mistakes:
  • Thinking variables or comments affect method lookup
  • Confusing method parameters with lookup chain
  • Ignoring included modules in lookup

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