car.rb

# car.rb -> lower_snake_case

class Car # UpperCamelCase
  attr_reader :engine_started, :brand
  attr_accessor :colour

  def initialize(colour, brand = "Mini") # constructor
    @colour = colour
    @engine_started = false
    @brand = brand
  end

  def start
    spark_plug_firing()
    electrical_motor()
    aircon_starting()

    @engine_started = true
  end

  private

  def spark_plug_firing()
    # 10 lines
  end

  def electrical_motor()
    # 10 lines
  end

  def aircon_starting()
    # 10 lines
  end

  # def colour=(name_of_colour)
  #   @colour = name_of_colour
  # end
end

car_tests.rb

require_relative 'car'

my_car = Car.new("red")
# Instantiate a new car

puts "I am starting my car"

my_car.start
# calling the instance method `start` on my instance of Car

puts "My car is now #{my_car.engine_started ? 'on' : 'off'}"
# accessing the instance variable from my instance of Car

puts "Car is #{my_car.colour}"
# accessing the instance variable from my instance of Car


puts "My car is a #{my_car.brand}"
# accessing the instance variable from my instance of Car

puts "I want to change the colour of my car"

my_car.colour = gets.chomp
# Getting the user input for new color
my_car.colour
# setting a new value to my instance variable `colour`

puts "My car is now #{my_car.colour}"
# accessing the instance variable from my instance of Car

debugging.rb

def fullname(first,last)
  first_name = first.capitalize

  last_name = last.capitalize

  fullname = "#{first_name} #{last_name}"

  return fullname
end

puts fullname('aleX', 'BeNoIT')

# PRY-BYEBUG
# 1. gem install pry-byebug (once)
# 2. require 'pry' or 'pry-byebug'
# 3. place breakpoints with `binding.pry`
# `next` -> execute the next line only
# `continue` -> continue to next breakpoint or the end of my program
# 4. remember to remove breakpoints

sports_car.rb

class SportsCar

end