The course covers Scala 3, and it mentions the differences with Scala 2. Scala is an expressive, versatile, and safe programming language.

Scala’s libraries build on this foundation to provide outstanding support for concurrency and parallelism, for example through the actor programming model and the built-in parallel collections ...

Scala is a relatively new programming language designed to run atop virtual machines like those used with Java or C#. It is a mixture of many ideas including those tailored for object oriented and ...

For more, take a look at Programming in Scala by the language’s designer, Martin Odersky. See ED Online 18173 at www.electronicdesign.com for my review of the book.