Learn Ruby

Learn Ruby to build scripts and simple object-oriented apps

Duration 9h Rating (4.5) Price Free plan available on Codecademy
Platform: Codecademy Topic: Programming Languages Skills: Object-Oriented Programming Ruby Scripting

Learn Ruby is an engaging introduction to the Ruby programming language that emphasizes hands-on practice and clear, readable code. It presents core programming concepts through interactive exercises so learners can quickly apply object-oriented principles, control flow, and data structures in real code.

The course guides students from basic scripting to assembling small applications, using short projects and practice problems to build confidence with methods, classes, and collections. This practical, project-focused approach prepares learners to write maintainable Ruby code and provides a useful foundation for web development with frameworks like Ruby on Rails or for scripting and automation tasks.

At a Glance

Learn Ruby is a beginner-focused programming course offered by Codecademy that introduces the syntax and core concepts of the Ruby language.

It covers fundamental programming constructs and an introduction to object-oriented programming, delivered through interactive exercises and guided practice.

Level Beginner
Rating 4.5 out of 5
Duration 5+ hours
Languages English
Learners 100K+ learners
Certificate Certificate of completion (available with paid subscription)
Access Access for as long as your subscription is active
Course includes
  • Interactive lessons and coding exercises
  • AI-assisted feedback (Learning Assistant)
  • Auto-graded quizzes and assessments
  • Guided and independent projects
  • Certificate of completion (paid tier)
Price Free to start; certificate and extra features require a Codecademy subscription

What This Course Teaches

Outcomes are framed as concrete, demonstrable competencies you can use to write, structure, and test basic Ruby programs.

Completing the course should enable learners to implement core language features, apply foundational object-oriented design, and assemble simple Ruby applications from multiple components.

Variables & Control
Implement variables, conditionals, and loops to control program flow and handle basic I/O.
Object-Oriented Design
Apply object-oriented programming principles to organize code into classes, methods, and objects.
Build Applications
Build simple Ruby applications that combine language features and data structures to solve small problems.

How the Course Is Structured

The course is organized into a sequence of lessons that progress from basic syntax to object-oriented concepts and code quality practices; the syllabus lists 19 lessons in total across multiple modules.

Overall the syllabus is compact and self-paced, with an estimated total completion time of about 9 hours.

Curriculum overview

01Introduction to Ruby

Introduces Ruby as an object-oriented scripting language and explains common uses, including web development with Rails.

02Control Flow in Ruby

Covers conditionals and branching to create programs that respond to different inputs and states.

03Looping with Ruby

Explains loops and iterators for automating repetitive tasks and processing collections.

04Arrays and Hashes

Introduces array and hash data structures and demonstrates iteration and common manipulation patterns.

05Blocks and Sorting

Shows how to define methods and use blocks to implement sorting and other higher-order behaviors.

06Hashes and Symbols

Examines Ruby hashes, symbol usage, syntactic variants, and commonly used hash methods.

07Refactoring

Covers refactoring techniques and Ruby conventions to improve code readability and structure.

Audience & Requirements

This course is aimed at newcomers who want a practical introduction to Ruby, as well as students and early-career developers seeking a concise foundation for web development or scripting tasks.

It is appropriate for learners who want to gain usable Ruby skills without prior programming experience and who plan to apply them to small projects or further study (for example, Ruby on Rails).

Who It’s For
  • Complete beginners looking for a first programming language.
  • Students taking courses that use Ruby or Ruby on Rails.
  • Junior/back-end developers who need core Ruby fundamentals.
  • Hobbyists and automation enthusiasts building small scripts and tools.
What You’ll Need
  • No prior programming experience or formal prerequisites.
  • Willingness to complete interactive exercises and short projects.
  • A code editor (Visual Studio Code or similar) for local practice, if desired.
  • A Codecademy account (free to start) to access the course platform and track progress.

Final Verdict

Learn Ruby is a solid, cost-effective introduction for beginners who want to acquire practical Ruby skills quickly. With interactive exercises, guided projects, and positive community reception, it reliably turns novices into developers with working knowledge of language fundamentals and basic object-oriented concepts.

It suits students, hobbyists, and early-career developers who need a compact foundation rather than a deep, framework-specific immersion. Keep in mind that a shareable certificate and some platform features require a paid subscription, so treat the free content as a low-risk way to evaluate fit before paying for credentialing or extra resources.