Classes and Inheritance – Ruby Code Typing Test
Shows how Ruby supports inheritance and method overriding in object-oriented programming.
- 23 lines
- 231 chars
- ≈ 1m 09s at 40 WPM
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class Animal
def speak
"Generic animal sound"
end
end
class Dog < Animal
def speak
"Woof!"
end
end
class Cat < Animal
def speak
"Meow!"
end
end
animals = [Dog.new, Cat.new, Animal.new]
animals.each do |animal|
puts animal.speak
endCoding works best on desktop or with an external keyboard.