Ruby Programming Tutorial

• This tutorial helps beginners easy to learn and approach Ruby step by step.
• It is designed basically but still has enough important knowledge to learn about Ruby on Rails.

Table of contents

• Getting Started

  • Introduction
  • Installation
  • Running Ruby
  • Official Documents

• Variables

  • What is a variable?
  • Examples

• Constants

  • What is a constant?
  • Example
  • Tips

• Comments

  • What is a comment?
  • Single line comments
  • Multiline comments

• Strings

  • What is a String in Ruby?
  • Interpolation
  • Indexing
  • Common methods

• Numbers

  • Integers
  • Floats
  • Operaters
  • Convert numbers

• True, False and Nil

• Symbols

  • What is a symbol in Ruby?
  • Examples
  • Common methods

• Blocks

  • What is a block in Ruby?
  • Examples
  • Variables for block

• Arrays

  • Create an Array
  • Indexing
  • Accessing elements
  • Iteration
  • Common methods

• Range

  • Create a Range
  • Iteration
  • Common methods

• Hashes

  • Create a Hash
  • Accessing value by key
  • Iteration
  • Common Uses

• Date & Time

• Control Flow

  • if
  • else
  • elsif
  • unless
  • case

• Methods

  • Defining a method
  • Default parameters in method

• Classes

  • Defining a Class
  • Constructor
  • Accessing methods levels
  • Accessing instance variables

• Module

  • Mixin
  • Module as Namespace
  • Modules and Class Composition