Ruby Tutorial
A dynamic, general-purpose language used to build web applications.
List of Lessons to Learn Ruby
This is a list of Ruby lessons where you can start learning immediately without environment setup.
Study
Ruby I
Estimated 1h30m
0%
Ruby is a language responsible for building the logic behind web applications. Let's first learn the fundamentals of Ruby's syntax in this lesson.
What You Can Learn in This Lesson
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1. Getting Started with Ruby
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Getting Started
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Ruby Syntax and Strings
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Integers and Basic Calculations
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More Calculations
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String Concatenation
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2. Variables
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Variables
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Using Variables
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Roles of Variables
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Updating Variables
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Updating Variables (2)
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String Interpolation
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3. Booleans and Conditions
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if Statements
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Booleans and Comparison Operators
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Booleans and Comparison Operators (2)
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else Statements
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elsif Statements
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Combining Conditions
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4. The Final Project
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The Final Project
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Study
Ruby II
Estimated 1h45m
0%
We'll be learning how to handle data and loops in this lesson. Let's master the basics of Ruby together!
What You Can Learn in This Lesson
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1. Arrays and Loops
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Arrays
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Using Arrays
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The each Method
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Variable Scopes
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2. Hashes and Symbols
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Hashes
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Using Hashes
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Symbols
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Hash Keys
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3. nil
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nil
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Using if with nil
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Arrays with Hash Elements
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Arrays with Hash Elements (2)
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Arrays with Hash Elements (3)
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4. The Final Project
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The Final Project
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The Final Project (2)
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Study
Ruby III
Estimated 1h10m
0%
In Ruby Ⅲ, we'll be learning about methods. Things get a little tricky from here on, but let's master them step by step!
What You Can Learn in This Lesson
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1. Methods
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Methods
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Defining a Method
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2. Parameters and Arguments
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Parameters and Arguments
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Parameters and Arguments (2)
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Methods and Scopes
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Multiple Parameters
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3. Return Values
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Return Values
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Types of Return Values
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Multiple Return Values
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4. Keyword Arguments
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Keyword Arguments
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Study
Ruby IV
Estimated 1h30m
0%
In Ruby Ⅳ, we'll be learning about object oriented programming. Once you master this lesson, you will no longer call yourself a Ruby beginner!
What You Can Learn in This Lesson
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1. Classes and Instances
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Getting Started
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Defining a Class
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Instance Variables
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Creating an Instance
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Using Instance Variables
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Multiple Instances
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2. Instance Methods
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Using Methods
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Instance Methods
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Methods and Instance Variables
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Classes and Instances Review
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The initialize Method
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The initialize Method (2)
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3. The Food Ordering App
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Separating Files
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Displaying the Menu
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Displaying the Menu (2)
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Receiving Input
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Selecting a Menu Item
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Study
Ruby V
Estimated 1h30m
0%
In this lesson, we'll be learning about class inheritance to improve the food ordering app.
What You Can Learn in This Lesson
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1. Class Inheritance
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Getting Started
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Class Inheritance
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How Inheritance Works
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Adding Instance Variables
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Adding Instance Methods
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Food Ordering App Review
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Override
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Override (2)
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super
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Override Review
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2. The Date Class and Class Methods
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The Date Class
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The Date Class (2)
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Defining Class Methods
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Defining Class Methods (2)
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Calling Class Methods
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After Finishing Ruby Lessons
Set up your Ruby environment and apply what you've learned in the real world.
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