Bird
0
0

Why does Ruby use modules instead of allowing multiple inheritance directly?

easy📝 Conceptual Q1 of 15
Ruby - Modules and Mixins
Why does Ruby use modules instead of allowing multiple inheritance directly?
AModules replace classes entirely in Ruby.
BModules let classes share behavior without the complexity of multiple inheritance.
CModules are faster than classes for inheritance.
DModules prevent any method sharing between classes.
Step-by-Step Solution
Solution:

  1. Step 1: Understand multiple inheritance problems

    Multiple inheritance can cause conflicts when two parent classes have methods with the same name.

  2. Step 2: Role of modules in Ruby

    Modules allow sharing methods across classes without creating complex inheritance trees, avoiding conflicts.

  3. Final Answer:

    Modules let classes share behavior without the complexity of multiple inheritance. -> Option B

  4. Quick Check:

    Why modules solve multiple inheritance = A [OK]
Quick Trick: Modules mix in shared code without inheritance conflicts [OK]
Common Mistakes:
  • Thinking modules replace classes
  • Believing modules prevent method sharing
  • Assuming modules are slower than classes

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Ruby Quizzes
Blocks, Procs, and Lambdas - Block parameters - Quiz 12easy Classes and Objects - Self keyword behavior - Quiz 2easy Enumerable and Collection Processing - Sort_by for custom sorting - Quiz 2easy Enumerable and Collection Processing - Zip for combining arrays - Quiz 11easy Error Handling - Multiple rescue clauses - Quiz 11easy Error Handling - Retry for reattempting - Quiz 13medium Error Handling - Ensure for cleanup - Quiz 1easy Error Handling - Custom exception classes - Quiz 8hard File IO - File.read for entire content - Quiz 14medium Modules and Mixins - Prepend for method chain insertion - Quiz 9hard