Hi, all.
I'm really new to Ruby. Got this error:

class Page
    @url=""

    def initialize
        puts "going to "+@url
    end
end

class MainPage < Page
    @url = "Main"
end

class LoginPage < Page
    @url = "Login"
end

every time a page is created, I want it to go to its own url.

m = MainPage.new()
# should print going to Main
l = LoginPage.new()
# should print going to Login

But I tried @@, @ and found neither of them works.

Anyone knows what kind of method or variable I could use?