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Learn Scala Programming

Learn Scala Programming

By : Schmidt
1.5 (2)
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Learn Scala Programming

Learn Scala Programming

1.5 (2)
By: Schmidt

Overview of this book

The second version of Scala has undergone multiple changes to support features and library implementations. Scala 2.13, with its main focus on modularizing the standard library and simplifying collections, brings with it a host of updates. Learn Scala Programming addresses both technical and architectural changes to the redesigned standard library and collections, along with covering in-depth type systems and first-level support for functions. You will discover how to leverage implicits as a primary mechanism for building type classes and look at different ways to test Scala code. You will also learn about abstract building blocks used in functional programming, giving you sufficient understanding to pick and use any existing functional programming library out there. In the concluding chapters, you will explore reactive programming by covering the Akka framework and reactive streams. By the end of this book, you will have built microservices and learned to implement them with the Scala and Lagom framework.
Table of Contents (19 chapters)
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Running the application

Please refer to Appendix A, Preparing the Environment and Running Code Samples, if you don't have Java and SBT installed yet.

We will run our application in the Terminal in the same way as we did in the previous chapter by using two separate terminal sessions for Store and Bakery. It is possible to run both in interactive mode, or by issuing one of the two following commands in the corresponding shell:

sbt "runMain ch12.Store"
sbt "runMain ch12.Bakery"

Because we're using clustering instead of remoting for our example, we don't need to start them in a particular order as we had to in the previous chapter. The following screenshot shows two Terminal windows ready to run the application with the aforementioned commands typed in:

As both parts of the application start, they will establish a connection and start to work together...

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