[Solved] What is the main purpose of using a custom module as a mixin in Ruby? — Ans: To share methods across multiple classes without repeating code | Ruby

Ruby - Modules and Mixins

What is the main purpose of using a custom module as a mixin in Ruby?

ATo share methods across multiple classes without repeating code

BTo create a new class that inherits from multiple classes

CTo define global variables accessible everywhere

DTo replace the need for classes entirely

Step-by-Step Solution

Solution:

Step 1: Understand what a module is
A module groups methods that can be reused in different classes.
Step 2: Recognize the role of mixins
Mixins let classes include these modules to share behavior without inheritance.
Final Answer:
To share methods across multiple classes without repeating code -> Option A
Quick Check:
Modules as mixins = code sharing [OK]

Quick Trick: Modules share methods to avoid repeating code [OK]

Common Mistakes:

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What is the main purpose of using a custom module as a mixin in Ruby?