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Join Exercism’s Ruby Track for access to 120 exercises grouped into 20 Ruby Concepts, with automatic analysis of your code and personal mentoring, all 100% free.
class HelloWorld def self.hello(name = 'World') "Hello, #{name}!" end end
Get better at programming through fun, rewarding coding exercises that test your understanding of concepts with Exercism.
Given a moment, determine the moment that would be after a gigasecond has passed.
To try and encourage more sales of different books from a popular 5 book series, a bookshop has decided to offer discounts of multiple-book purchases.
Create a sentence of the form "One for X, one for me.".
Ruby puts developer-happiness first. It has an elegant syntax that is natural to read and write.
Ruby code can write and invoke Ruby code.
Garbage collection done via mark and sweep, stays out of your way.
Ruby's standard library provides a wealth of classes utilities for common tasks.
Packages (gems) can be centrally managed, but can also include custom or private gem stores.
Ruby is strong and dynamically typed and supports 'Duck Typing'. Everything in Ruby is an object
Every language has its own way of doing things. Ruby is no different. Our mentors will help you learn to think like a Ruby developer and how to write idiomatic code in Ruby. Once you've solved an exercise, submit it to our volunteer team, and they'll give you hints, ideas, and feedback on how to make it feel more like what you'd normally see in Ruby - they'll help you discover the things you don't know that you don't know.
Learn more about mentoring 
The Ruby track on Exercism has 20 concepts and 120 exercises to help you write better code.
See all Ruby exercises 
