Show HN: Scala Tutorials – interactive Scala 3 lessons in the browser

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Interactive Scala 3 tutorials that run in the browser with a live editor on every page, free and open source.

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Cached at: 07/28/26, 03:27 PM

# Scala Tutorials Source: [https://scalatutorials.com/](https://scalatutorials.com/) ## Learn Scala in your browser Interactive, bite\-sized tutorials with a live editor on every page\. Free and open source\. The code runs on[Scastie](https://scastie.scala-lang.org/), the Scala Center's playground\. Nothing to install, no account needed\. [Share on X](https://x.com/intent/post?text=Interactive%20Scala%20tutorials%20that%20run%20in%20your%20browser&url=https%3A%2F%2Fscalatutorials.com) ``` //Press Run to try it! //e.g. Project Euler problem #1: (1 until 1000).filter(x => x % 3 == 0 || x % 5 == 0).sum ``` Run as you readEvery lesson has a live editor powered by Scastie, the Scala Center's playground\.Small stepsForty\-odd focused pages, from arithmetic to classes\. Each one takes a minute or two\.Scala 3 readyThe tour targets Scala 3, with a dedicated section on what changed since Scala 2\.

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