animalinheritance

animalinheritance.rb

class Mammal
  def breathe
    puts "inhale and exhale"
  end
end

class Cat < Mammal
  def speak
    puts "meow"
  end
end

class Dog < Mammal
  def speak
    puts "bark"
  end
end

class Cow < Mammal
  def speak
    puts "moo"
  end
end

class Horse < Mammale
  def speak
    puts "neigh"
  end
end

cat = Cat.new
cat.speak #=> "meow"
cat.breathe #=> "inhale and exhale"

dog = Dog.new
dog.speak #=> "bark"
dog.breathe #=> "inhale and exhale"

cow = Cow.new
cow.speak #=> "moo"
cow.breathe #=> "inhale and exhale"

horse = Horse.new
horse.speak #=> "neigh"
horse.breathe #=> "inhale and exhale"