Using super with class and instance methods

super-class-method.rb

# Testing to see how 'super' method works with class and instance methods
# when passing pre-declared variables into the methods where I am expecting them to be modified
# Results noted provided by jruby-1.7.19
class SuperClass
  def self.add_something(somehash)
    somehash['something'] += 1
  end
  
  def add_something(somehash)
    somehash['something'] += 5
  end
end

class ChildClass < SuperClass
  def self.add_something(somehash)
    super(somehash)
    somehash['something'] += 2
  end

  def add_something(somehash)
    super(somehash)
    somehash['something'] += 20
  end
end

somehash = {'something' => 1}
SuperClass.add_something(somehash)
# >> somehash
# => {"something"=>2}

somehash = {'something' => 1}
SuperClass.new.add_something(somehash)
# >> somehash
# => {"something"=>6}

somehash = {'something' => 1}
ChildClass.add_something(somehash)
# >> somehash
# => {"something"=>4}

somehash = {'something' => 1}
ChildClass.new.add_something(somehash)
# >> somehash
# => {"something"=>26}