Scala: Traits & Actors

Traits are Scala’s way of implementing mixins, which means to combine methods of other classes. It’s a powerful tool and an extension to the Java object model. You can think of Traits as Interfaces with concrete implementations.

The Actor model is a robust concurrency abstraction model that was introduced 1973 by Carl Hewitt, Peter Bishop, and Richard Steiger. A number of programming languages since then have adopted this model, probably most notably is the programming language Erlang. Since Erlang is widely used by the Telecommunications Industry or Facebook Chat the Actor model has already become the foundation of some of our day-to-day communication.

In this post I would like to give a brief overview of this two concepts applied in Scala by also providing some examples.

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