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@Ahnita Ahnita/cat.rb
Last active Aug 29, 2015

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Object Oriented Programming I and II
class Cat
attr_reader :color, :breed
attr_accessor :name
def initialize(color, breed)
@color = color
@breed = breed
@hungry = true
end
def feed(food)
puts "Mmmmm, " + food + "!"
@hungry = false
end
def hungry?
if @hungry
puts "I\'m hungry!"
else
puts "I\'m full!"
end
@hungry
end
def speak
puts "Meow!"
end
end
kitty = Cat.new("grey", "Persian")
puts "Let\'s inspect our new cat:"
puts kitty.inspect
puts "What class does our new cat belong to?"
puts kitty.class
puts "Is our new cat an object?"
puts kitty.is_a?(Object)
puts "What color is our cat?"
puts kitty.color
puts "Let\'s give our new cat a name"
kitty.name = "Betsy"
puts kitty.name
puts "Is our cat hungry now?"
kitty.hungry?
puts "Let\'s feed our cat"
kitty.feed("tuna")
puts "Is out cat hungry now?"
kitty.hungry?
puts "Our cat can make noise"
kitty.speak
class Pet
attr_reader :color, :breed
attr_accessor :name
def initialize(color, breed)
@color = color
@breed = breed
@hungry = true
end
def feed(food)
puts "Mmmmm, " + food + "!"
@hungry = false
end
def hungry?
if @hungry
puts "I\'m hungry!"
else
puts "I\'m full!"
end
@hungry
end
end
class Cat < Pet
def speak
puts "Meow! I'm Garfield"
end
end
class Dog < Pet
def speak
puts "Woof!"
end
end
puppy = Dog.new("black", "Staffordshire Terrier")
puppy.speak
puts puppy.breed
kitty = Cat.new("orange", "Persian")
kitty.speak
puts kitty.breed
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