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Editorial Team
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Asked: 2026-05-13T11:42:48+00:00

I’ve been asked to run a workshop and coding dojo soon for people to

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I’ve been asked to run a workshop and coding dojo soon for people to try out Scala and try to build something with it. The attendees are all going to be new to Scala, and could come from any of a number of languages (I’m presuming they can code in at least one mainstream language – I’m including syntax comparisons with Java, C#, Python and Ruby).

Part of the appeal of Scala is that it’s practical – you can use it as a drop-in “power Java” (Java with less syntactical clutter, closures, immutability, FP, traits, singleton objects, nifty XML handling, type inference etc.) that still runs on the JVM (and on the .NET CLR supposedly) and doesn’t require you to change build tools, server infrastructure, libraries, IDEs and so on. Most of the katas I’ve seen have been fun but not ‘real world’ – mathematical challenges like Project Euler and so on. These don’t seem appropriate as we’re trying to explore the use of it as a practical, real world language that people could consider using for both hacking and work, and because people aren’t necessarily going to be too familiar with either the deeper parts of the Scala syntax or necessarily of the concepts behind functional programming.

So, has anyone come across any more practical, everyday katas rather than arithmetical ‘problem solving’ ones? Katas, that is, that can test whether the language, libraries and tools can satisfy the use cases of the actual day-to-day programming most people have to do rather than testing out. (Not that the impractical ones aren’t fun, but just not appropriate for the kind of thing I’ve been asked to run.)

If I can’t find good examples, I’m thinking that it might be useful to try and build something like a library catalogue – the event is for programmers who primarily work on building infrastructure for universities (and in education and culture – museums, galleries, schools, libraries and so on). It’s a bit boring though, but it’s the sort of thing that the attendees work on in their day-to-day existence. Any suggestions?

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1 Answer

  1. Editorial Team

    There is a creative commons licensed introductory training course with hands-on exercises here:

    http://github.com/javaBin/scala-training-slides

    http://github.com/javaBin/scala-training-code

    The slides are in Open Office format. If you don’t have this installed, you can upload them to SlideShare, which will convert them for online viewing.

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