November 2001
Intermediate to advanced
218 pages
6h 22m
English
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Classes and Instances
All Ruby data consists of objects that are
instances of some class. Even a class itself is an object that is an
instance of the Class class. As a general rule,
new instances are created using the new method of
a class, but there are some exceptions (such as the
Fixnum class).
a = Array::new s = String::new o = Object::new
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.