From: Brad Tilley <rtilley@...>
Date: 2006-10-24T05:17:32+09:00
Subject: File::open and File.open

What exactly is the difference between these? :: is a class method while 
. is an instance method??? If that is so, could someone clarify this 
with more detail? I use File.open, but File::open works too. However 
sometimes, this is not the case which adds to my confusion :) For 
example, I can only do Digest::MD5.new() and not Digest.MD5.new() why is 
that?

I don't fully understand OO programming... perhaps this is my problem.

Thank you for your time.

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