InnerClassesDemo.rb

# Ruby program a private class accessed through the outer-class. 
# public 
class Marvel 

    # private 
    class Guardians 
        def Quill 
            puts "Legendary outlaw"
        end
        def Groot 
            puts "I am Groot"
        end
        # private_class_method :Groot 
    end
    class Avengers 
        def Tony 
            puts "I am Iron-man"
        end
    end
    
    # outer-class method accessing private classes	 
    def fury
        p "printed bro"
        return Guardians.new 
    end
    private_constant :Guardians 
    private_constant :Avengers 
    end
    
    # calls fury method in Marvel call. 
    gotchaGurdian = Marvel.new.fury
    gotchaGurdian.Groot