ex44d.rb

class Parent

  def override()
    puts "PARENT override()"
  end

  def implicit()
    puts "PARENT implicit()"
  end

  def altered()
    puts "PARENT altered()"
  end
end

 class Child < Parent
   def override()
     puts "CHILD override"
   end

   def altered()
     puts "CHILD BEFORE PARENT, altered()"
     super()
     puts "CHILD AFTER PARENT, altered()"
   end
 end

dad = Parent.new()
son = Child.new()

dad.implicit()
son.implicit()

dad.override()
son.override()
dad.altered()
son.altered()

# Most commonly, we'll use super() with initialize.
# When we define a new subclass, we'll potentially want to do some
# things in the chld, then finish the initializatonin the parent.
# I need to investigate this more.