Book Image

Comprehensive Ruby Programming

By : Jordan Hudgens
Book Image

Comprehensive Ruby Programming

By: Jordan Hudgens

Overview of this book

Ruby is a powerful, general-purpose programming language that can be applied to any task. Whether you are an experienced developer who wants to learn a new language or you are new to programming, this book is your comprehensive Ruby coding guide. Starting with the foundational principles, such as syntax, and scaling up to advanced topics such as big data analysis, this book will give you all of the tools you need to be a professional Ruby developer. A few of the key topics are: object-oriented programming, built-in Ruby methods, core programming skills, and an introduction to the Ruby on Rails and Sinatra web frameworks. You will also build 10 practical Ruby programs. Created by an experienced Ruby developer, this book has been written to ensure it focuses on the skills you will need to be a professional Ruby developer. After you have read this book, you will be ready to start building real-world Ruby projects.
Table of Contents (20 chapters)

Guide to compound conditionals

So far in this section we have seen if, unless, if...else, and if...elsif statements and how they work in Ruby programs. Additionally, there are times when you may want to combine multiple conditionals together to enable a more granular data check. In this guide, I will show you how to utilize multiple conditionals per line.

Compound conditionals code example

Let's say you want to check for two nested conditions. Technically, you could accomplish the desired output with this code:

x = 10 
y = 100
z = 10

if x == y
if x == z
puts "equal to everything"
end
end

This code checks if x and y are the same, and if true, also checks if x and z are the same. If the nested condition...