[Solved] How can you define a class-level attribute with getter and setter methods in Ruby? — Ans: Use class instance variables with self methods | Ruby

Ruby - Class Methods and Variables

How can you define a class-level attribute with getter and setter methods in Ruby?

AUse global variables with getter and setter

BUse class instance variables with self methods

CUse class variables with attr_accessor

DUse instance variables with attr_accessor

Step-by-Step Solution

Solution:

Step 1: Understand class-level attributes
Class instance variables (@var) with self.method and self.method= define getters/setters.
Step 2: Why not others?
attr_accessor works for instance variables, not class variables; global variables are discouraged.
Final Answer:
Use class instance variables with self methods -> Option B
Quick Check:
Class-level attributes use class instance variables [OK]

Quick Trick: Use self.method and self.method= for class attributes [OK]

Common Mistakes:

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How can you define a class-level attribute with getter and setter methods in Ruby?