Ruby_Drill-_The_self_Keyword_solution.rb

class Person
  def self.example_class_method
    puts "We're calling an example class method"
    puts "'self' is always defined.  What is 'self' here?  Let's see."
    p self
    puts "That was self!"
  end

  def example_instance_method
    puts "We're calling an example *instance* method"
    puts "'self' is defined here, too, but it means something different."
    p self
    puts "That was self, again, but see how it's an instance of the class."
  end
end

Person.example_class_method
luis = Person.new
luis.example_instance_method

# When Self is called within a class method, self literraly refers to the class it is being called from.
# When self is called within an instance method, self refers to the instance created within the class.