[Solved] What is wrong with this code?class Base def self.inherited puts "Subclass created" end end class Derived < Base; end | Ruby

Ruby - Advanced Metaprogramming

What is wrong with this code?

class Base
  def self.inherited
    puts "Subclass created"
  end
end

class Derived < Base; end

ASyntax error in class inheritance

BCannot define <code>inherited</code> in Base class

CMissing subclass parameter in <code>inherited</code> method

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Check inherited method signature
The inherited hook must accept one argument: the subclass.
Step 2: Identify missing parameter
Here, inherited is defined without parameters, so it will cause an error or unexpected behavior.
Final Answer:
Missing subclass parameter in inherited method -> Option C
Quick Check:
inherited needs subclass argument [OK]

Quick Trick: Always include subclass parameter in inherited method [OK]

Common Mistakes:

Master "Advanced Metaprogramming" in Ruby

9 interactive learning modes - each teaches the same concept differently

More Ruby Quizzes

What is wrong with this code?