Ruby Method Hierarchy

code_example_2.rb

module Developer
  def name
    puts "Hi. This is Developer"
  end
end

module Analyst
  def name
    puts "Hi. This is Analyst"
  end
end

class Employee
  include Developer

  def name
    puts "Hi. This is Employee"
  end
end


e = Employee.new

def e.name
  puts  'Hi. This is e object'
end

e.extend(Analyst)
e.name

=> 'Hi. This is e object'

e.class.ancestors
=> [Employee, Developer, Object, Kernel, BasicObject]
#########################################


module Developer
  def name
    puts "Hi. This is Developer"
  end
end

module Analyst
  def name
    puts "Hi. This is Analyst"
    super
  end
end

class Employee
  include Developer

  def name
    puts "Hi. This is Employee"
    super
  end
end


e = Employee.new

def e.name
  puts  'Hi. This is e object'
  super
end

e.extend(Analyst)
e.name


=> 'Hi. This is e object'
   'Hi. This is Analyst'
   'Hi. This is Employee'
   'Hi. This is Developer'