Ruby Method Hierarchy.

code_example_1.rb

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

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

class Analyst < Employee
  include Developer

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

analyst = Analyst.new
analyst.name

=> 'Hi. This is Analyst'

 analyst.class.ancestors
 => [Analyst, Developer, Employee, Object, Kernel, BasicObject]

#################################################


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

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

class Analyst < Employee
  include Developer

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

analyst = Analyst.new
analyst.name

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