Ruby - Control Structures

Control Structures - Ruby module R104

Conditional statements, loops, and functions you would expect. Exceptions, iterators and methods may be new to you. And you'll need to know how to write conditions too.

This topic is presented on public course Ruby Programming

Examples from our training material

condi.rb	Example of Ruby conditionals
ctors.rb	Comparators - what is true?
ddd.rb	iterators in Ruby
dm.rb	Defining and using a method
dm2.rb	Method, parameter, optional parameter
dm3.rb	Dynamic redefinition of a method
lazyops.rb	Lazy operators
llen	Methods and default parameter
llen2	calculating default parameters
llen3	Default a parameter to nil
loop.rb	loop in ruby - run until it breaks
loopy.rb	Loop structures in Ruby
mi	redefine a method in Ruby
scram.rb	break redo next and retry

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

Blocks and the if statement.
Writing conditions.
Comparative, boolean and range operators.
Conditionals - if, unless, case, etc.
Loops - while, for in, until, etc.
break, next, retry and redo.
defined? and ternary operators.

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 600 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.