ExercismUkraine-coloured heart
  • Home
  • Language Tracks
  • Contribute
  • Mentor
  • Donate 💜
Sign upLog in
Crystal
Crystal
1,359 students
AboutExercises
Uploaded avatar of tenebrousedge
Uploaded avatar of amscotti
Uploaded avatar of mhelmetag
37 contributors
38 mentors
Crystal

Practice 51 exercises in Crystal

Learn and practice Crystal by completing 51 exercises that explore different concepts and ideas.

Explore the Crystal exercises on Exercism

Unlock more exercises as you progress. They’re great practice and fun to do!

Code practice and mentorship for everyone

Develop fluency in 58 programming languages with our unique blend of learning, practice and mentoring. Exercism is fun, effective and 100% free, forever.

Sign up for free Explore languages

Editions


  • Exercism
  • Exercism for Teams
  • Exercism Research

About


  • About Exercism
  • Our team
  • Contributors
  • Supporting organisations
  • Individual supporters

Get involved


  • Contribute
  • Mentor

Legal & policies


  • Terms of usage
  • Privacy policy
  • Cookie policy
  • Code of conduct
  • Accessibility statement

Keep in touch


  • Exercism's blog
  • Discuss on GitHub
  • Contact us
  • Report abuse

Get help


  • Exercism's Docs
  • Getting started
  • FAQs
  • Installing the CLI
  • Interactive CLI Walkthrough

Our programming language tracks


  • ABAP
  • Bash
  • C
  • C#
  • C++
  • CFML
  • Clojure
  • ClojureScript
  • CoffeeScript
  • Common Lisp
  • Crystal
  • D
  • Dart
  • Delphi Pascal
  • Elixir
  • Elm
  • Emacs Lisp
  • Erlang
  • F#
  • Fortran
  • Go
  • Groovy
  • Haskell
  • Java
  • JavaScript
  • Julia
  • Kotlin
  • LFE
  • Lua
  • MIPS Assembly
  • Nim
  • Objective-C
  • OCaml
  • Perl 5
  • Pharo
  • PHP
  • PL/SQL
  • Prolog
  • PureScript
  • Python
  • R
  • Racket
  • Raku
  • ReasonML
  • Ruby
  • Rust
  • Scala
  • Scheme
  • Standard ML
  • Swift
  • Tcl
  • TypeScript
  • Unison
  • VB.NET
  • Vim script
  • WebAssembly
  • Wren
  • x86-64 Assembly

Want to add a language track to Exercism?

Open an issue and let's discuss it.


Exercism is not-for-profit organisation registered in the UK with company number 11733062. Its trustees are Katrina Owen and Jeremy Walker.
© 2022 Exercism