3.4

cat.rb

class Cat
  attr_reader :color, :breed
  attr_accessor :name

  def initialize(color, breed, hungry)
    @color = color
    @breed = breed
    @hungry = true
  end

  def feed(food)
    puts 'Mmmm, ' + food + '!'
    @hungry = false
  end

  def hungry?
    if @hungry == true
      puts 'I\'m hungry'
    else
      puts 'I\'m full!'
    end
    @hungry
  end

  def speak
    puts 'Meow!'
  end
end

Kitty = Cat.new('grey', 'what?','')

puts 'Let\'s inspect our new cat:'
puts Kitty.inspect
puts 'What class our new cat beling to?'
puts Kitty.class
puts 'It\'s our new cat an object?'
puts Kitty.is_a?(Object)
puts 'What color it\'s our cat?'
puts Kitty.color
puts 'Let\'s give our new cat a name'
Kitty.name = 'Fufu'
puts Kitty.name


puts 'Is our cat hungry now?'
Kitty.hungry?
puts 'Let\'s feed our cat'
Kitty.feed('Wiskas')
puts 'It is our cat hungry now?'
Kitty.hungry?
puts 'Our cat can make noise'
puts Kitty.speak