From: Dejan Dimic <dejan.dimic@...>
Date: 2007-12-31T07:09:58+09:00
Subject: Re: newbie question - how to use multiple source files

On Dec 30, 6:36 pm, Ben Hoffmann <benss...@skypoint.com> wrote:
> I'm coming from Java, and am trying to understand how to break upo code
> into more than one file.  So in this example, I have one class in the
> first file, another in the second file, and I want to create an object
> from the first class, but from the second file.  Environment - Aptana on
> XP machine.  See below:
>
> 1)  First file named     first_class_file.rb:
>
> class FirstClassFile
>
>   public
>
>   def initialize
>     super
>     puts "Hello from First Class"
>   end
> end
>
> my1stObject = FirstClassFile.new
>
> 2)  Second file named     second_class_file.rb:
>
> class SecondClassFile
>
>   def initialize
>     super
>     puts "Hello from Second Class"
>   end
> end
>
> my2ndObject = SecondClassFile.new
>
> my3rdObject = FirstClassFile.new
>
> 3) Console result of running second file:
>
> Hello from Second Class
> second_class_file.rb:11: uninitialized constant FirstClassFile (NameError)
>
> Question - What obvious thing am I doing wrong?
> Thanks!
>  - Ben

Coming from Java I presume that you are familiar with import
directive.
Ruby has "require" for the same job as stated before.