Ruby Blocks
Ruby Code blocks (called closures in other languages) are definitely one of the coolest features of Ruby and are chunks of code between braces or between do- end that you can associate with method invocations, almost as if they were parameters.
Simple Constructs
Let's explore some very simple constructs available in Ruby. The example below p014constructs.rb illustrates the if else end construct. By the Ruby convention, if and while do not require parenthesis.
More On Strings
There are many methods in the String class (you don't have to memorize them all; you can look up the documentation) like the reverse that gives a backwards version of a string (reverse does not change the original string).
Learn Ruby on Rails: the Ultimate Beginner's Tutorial
While it certainly makes no attempt to constitute a complete guide to the Ruby language, this tutorial will introduce you to some of the basics of Ruby.
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