Hello Ruby Objects

Ruby module R102

Hello Ruby Objects

Exercises, examples and other material relating to training module R102. This module is presented on Private Courses and Specially Run Courses only

Background

Ruby is a true OO language - perhaps the first true OO scripting language where EVERYTHING is an object. We'll introduce you to Ruby, the OO concept, and how the two melt together to give you a fast and efficient way of developing flexible code in applications from system admin through web database frameworks, and also to easily upgrade and maintain them as your requirements grow.

Articles and tips on this subject		updated
4009	Clear, concise examples - Ruby classes and objects. Finding clear, concise examples of how to perform a simple programming task can be surprisingly difficult. "I just want a [Rails] model that doesn't actually use a database table" was an example yesterday. Such shouldn't be difficult, but authors tend to write a simple example and then decide "While ...	2013-02-17
2603	Ruby objects - a primer If you're new to Ruby, but familiar with Object Oriented Programming, you might like to take a quick look at the example that I wrote during yesterday's course which shows how all the major OO elements are implemented in Ruby. The sample source is [here]. Here are some of the key facts: • Classes ...	2010-01-29 (longer)
2287	Learning to program in Ruby - examples of the programming basics We so often overlook the basics of programming, and yet they are so fundamental to good code - understanding things like how widely variables can be seen (also known as variable scope), what happens when you divide two numbers (do you get a decimal result or is the remainder thrown away), and how do ...	2009-07-15

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Examples from our training material

beast.rb	Sample class in its own file
d2.10	Define class, create and use instances of it
d2.11	Use of 'self' in Ruby
d2.12	Calling program to access class in another file
hit.rb	A class showing each variable scope in use
nother	Operators as methods - polymorphism in *
obrub1.rb	Define and use a class
obrub4.rb	Application to call in group of classes from a library file
shapes.rb	Object Orientation in Ruby - Training Example
trainclass4.rb	Definition of a train - to be shared between all railway applications

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

A first piece of working Ruby.
What is object orientation and why is it important?
Introduction to the terminology of objects.

Complete learning

If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.