practicing instance variables/methods and class variable/methods

gistfile1.rb

#CLASS/INSTANCE METHODS AND VARIABLES PRACTICE:
#
#1. create a class called Project
class Project
  #3. make the instance variables accessible by dot notation EXCEPT for date updated
  attr_accessor :title, :description, :role, :date_created
  
  #1. create a class variable called count
  @@count = 0
  
  #2. create a class method to return @@count
  def self.count
    @@count
  end

  #2. create a class constant that holds an array with thenumbers 1-10
  MYARRAY = [1 ,12, 10]

  #1. create a class method called "sayClassName" that prints name of the class
  def self.sayClassName
    self
  end

  #1. create a instance method called "sayClassName" that prints name of the class
  def sayClassName
    self.class
  end

  #2. give it the instance variables title, description, role, date created and date updated
  def initialize(title, description, role, date_created, date_updated)
    @title = title
    @description = description
    @role = role
    @date_created = date_created
    @date_updated = date_updated
    #count everytime initialize is run
    @@count = @@count + 1
  end

  #4. make a instance method called getDateUpdated to return date_updated
  def getDateUpdated
    return @date_updated
  end

  #5. make an instance method called changeDateUpdated to change the value of date_updated. this method should print "successfully updated <Project title>."
  def changeDateUpdated(newValue)
    @date_updated = newValue
    puts "Successfully updated" + @title
  end
end

gistfile2.txt

Test the interface of your class:
(place this code in the same ruby file below the class definiton)

*    make a new project #e.g. Project.new()
*    access instance variable values
    *    using dot notation
    *    using instance methods
*    change instance variable values
    *    using dot notation
    *    using instance methods #e.g. myProject.changeDateUpdated("05 May 1986")
*    access the count of objects created 
    *    using ::
    *    using a class method

THEN... when you are sure it works, write in English how the program goes line by line to make it work.