Exercise 25

second_cat.rb

class Pet
	attr_reader :color, :breed
	attr_accessor :name
	
	def initialize(color, breed)
		@color = color
		@breed = breed
		@hungry= true
	end
	def feed(food)
	puts "Mmmm, " +  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!"
	end
end

kitty = Cat.new("grey", "Persian")
puts "Let\'s instepct 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 our cat hungry now?"
kitty.hungry?
puts "Our cat can make noise"
kitty.speak
class Dog < Pet
	def speak
		puts "Woof!"
	end
end
puppy = Dog.new("black", "Staffordshire terrier")
puts "Also our doggie can speak! Listen!"
puppy.speak
puts "And he is a #{puppy.breed}"