Ruby - Metaprogramming Fundamentals
Which of the following is a valid way to create a new class named
Animal using Class.new?Which of the following is a valid way to create a new class named Animal using Class.new?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Ruby syntax for dynamic class creation
The correct syntax isClass.newassigned to a constant to name the class.Step 2: Evaluate options
OnlyAnimal = Class.newis valid Ruby syntax; others are invalid method calls or syntax.Final Answer:
Animal = Class.new -> Option BQuick Check:
Correct syntax for dynamic class = Class.new assigned [OK]
Quick Trick: Assign Class.new to a constant to name the class [OK]
Common Mistakes:
- Using JavaScript-like syntax (new Class())
- Calling non-existent methods like Class.create
- Confusing class creation with method definition
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