creating a class

cat.rb

class Cat
	attr_reader :color, :breed #:name
	attr_accessor :name #instead of mentioning the attribute both in reader and writer, we can do both in the same time with accessor
	#attr_writer :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

	def speak
		puts "meow!"
	end
end

kitty = Cat.new("grey", "Persian")

puts "lets inspect our new cat"
puts kitty.inspect
puts "what class does it belong to?"
puts kitty.class
puts "is our new cat an object?"
puts kitty.is_a?(Object)

puts "what color is your cat?"
puts kitty.color
puts "give your cat a new name"
kitty.name = "tiger"
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