[Solved] What will be the output of the following Ruby code? class Dog def speak self.class end end fido = Dog.new puts fido.speak | Ruby

Ruby - Classes and Objects

What will be the output of the following Ruby code?

class Dog
  def speak
    self.class
  end
end

fido = Dog.new
puts fido.speak

ADog

B#<Class:Dog>

Cfido

DObject

Step-by-Step Solution

Solution:

Step 1: Understand what self is inside speak
Inside the instance method speak, self is the instance fido.
Step 2: Evaluate self.class
Calling class on the instance returns its class, which is Dog.
Final Answer:
Dog -> Option A
Quick Check:
self.class in instance method = class name [OK]

Quick Trick: self.class inside instance method returns the object's class [OK]

Common Mistakes:

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