Skip to Content
Comprehensive Ruby Programming
book

Comprehensive Ruby Programming

by Jordan Hudgens
June 2017
Beginner
330 pages
7h 30m
English
Packt Publishing
Content preview from Comprehensive Ruby Programming

The if...elsif conditional code example

To review, I'm going to start off with a regular if statement:

x = 10 y = 100 z = 10 if x == y   puts "x is equal to y" end 

If you run this program, nothing will print out since x is not equal to y. This is what you already know. Now, I'm going to add some additional scenarios:

if x == y   puts "x is equal to y" elsif x > z   puts "x is greater than z" else   puts "Something else" end 

Essentially, this code is going to check if x is equal to y, and if it's not, it moves down to the next condition and checks if x is greater than z, which if not true again means that, it finally prints Something else. Whenever you have an else statement in a program like this, it will be treated like a fallback value, which ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

The Ruby Way: Solutions and Techniques in Ruby Programming, Second Edition

The Ruby Way: Solutions and Techniques in Ruby Programming, Second Edition

Hal Fulton
Computer Science Programming Basics in Ruby

Computer Science Programming Basics in Ruby

Ophir Frieder, Gideon Frieder, David Grossman

Publisher Resources

ISBN: 9781787280649