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What does the inherited hook method do in Ruby?

easy📝 Conceptual Q11 of 15
Ruby - Advanced Metaprogramming
What does the inherited hook method do in Ruby?
AIt is called automatically when a subclass is created.
BIt runs when an instance of a class is created.
CIt is used to define class variables.
DIt is called when a method is overridden.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of inherited

    The inherited method is a special hook in Ruby that triggers when a subclass is created from a parent class.

  2. Step 2: Differentiate from other hooks

    It is not related to instance creation, method overriding, or variable definition, but specifically to subclass creation.

  3. Final Answer:

    It is called automatically when a subclass is created. -> Option A

  4. Quick Check:

    Inherited hook = called on subclass creation [OK]
Quick Trick: Inherited hook triggers only on subclass creation [OK]
Common Mistakes:
  • Confusing inherited with initialize method
  • Thinking it runs on instance creation
  • Mixing it with method override hooks

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