What will be printed when this Ruby code runs?

medium📝 Predict Output Q4 of 15

Ruby - Inheritance

class Vehicle
  def start
    'Starting vehicle'
  end
end

class Car < Vehicle
end

puts Car.new.start

AStarting vehicle

BError: undefined method 'start'

CStarting car

DNo output

Step-by-Step Solution

Solution:

Step 1: Analyze class inheritance
Class Car inherits from Vehicle.
Step 2: Check method availability
Vehicle defines start, so Car instances have access to it.
Step 3: Output determination
Calling start on Car.new prints 'Starting vehicle'.
Final Answer:
Starting vehicle -> Option A
Quick Check:
Subclass inherits parent methods [OK]

Quick Trick: Subclass inherits methods from parent class [OK]

Common Mistakes:

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