gistfile1

class Car

  attr_accessor :brand, :year, :model
  def initialize(brand=nil, year=nil, model=nil)
    @brand = brand
    @year = year
    @model = model
  end
  
end

first_car = Car.new
first_car.brand = 'Toyota'     # assignment
first_car.brand # => "Toyota"  # get value
first_car.year = 1997          # assignment
first_car.year # => 1997       # get value
first_car.model = 'Corolla'    # assignment
first_car.model # => "Corolla" # get value

second_car = Car.new('Subaru', 2005, 'Impressa') # assign all at once
second_car.brand # => "Subaru"    # get value
second_car.year  # => 2005        # get value
second_car.model # => "Impressa"  # get value