Introduction

Ruby is a general purpose object oriented programming language developed by Yukihiro Matsumoto.

Key Features

  • More commonly used in Rails applications.
  • Concise and simple to read and powerful too.
  • Open-source
  • Easily scalable
  • Expressive features and visual appearance
  • Flexible language
  • True object-oriented programming language
  • Easily connected to multiple databases like DB2, MySQL, Oracle, and Sybase.
  • Provides rich set of built-in functions
  • Easy to learn
  • Developer friendly language

Installation

Installation on Windows

  • Download the software from Ruby Downloads
  • Run the executable file to install Ruby
  • Follow the installation steps by providing path etc and finish installation.

Installation on Linux

  • Install ruby using the below command:
$ yum install ruby
  • Issue the below command to check the installation is fine.
$ruby -v

Using Onecompiler

  1. You don't need to install any software or compiler.
  2. Just goto OneCompiler and choose the programming language as Ruby and enjoy programming without any installation.

Sample program

puts "Hello, World!"
  • puts : Used to print the given text to the console.
  • # : Single line Comment
  • =begin
    Multi
    line
    comment
    =end