Wow, the following code might be the largest scala sbt build. Setup simple build tool hereafter called sbt is a build tool specifically used. Nov 08, 2017 conceptual overview of how sbt performs project configuration the two stages of building the project. Scalatests learning curve is fast, and it runs automatically in the test plugin installed with sbt. Intellij sbt support is a bit more advanced, but there are a lot of corner casesbugs, and it still only really uses sbt for getting dependencies albeit in a more direct way. Scala by example by odersky is a 7 page pdf that goes into deeper detail than the short tutorial. Twitters scalajson based on the programming scala bookits simple, at the cost of. Conceptual overview of how sbt performs project configuration the two stages of building the project. There are a few interactive resources for trying out scala, to get a look and feel of the language. Instead, json javascript object notation is more widely used for data interchange, in part. The one thing it doesnt do is crossbuilding, but sbt s crossbuild support seems to be hackish as well.
Scala exercises is a series of lessons and exercises created by 47 degrees. Getting started with sbt for scala is for developers working on scala projects who are interested in learning and utilizing simple build tool to manage the build. This is a book that is full of simple examples that could give you a kick start in the scala world, specially if you are coming from java. For the project in this book we will create a folder directory called testingscala. May 14, 2016 an example sbt project which uses macros scala 2. Introduction to the scala parser and combinators dzone java.
Its a great way to get a brief introduction to scala while testing your knowledge along the way. Scala parser combinators can be used to build parsers used in your own. The standard tooling for working with scala is quite different than what java developers will be used to. About the book sbt in action, first and foremost, teaches you how to build scala projects effectively. The solution consists of adding the jackson annotations. Jan 01, 20 getting started with sbt for scala book. By william scala william narmontas dont learn how sbt works, learn how to use it.
It was tough at the beginning, especially since i never heard of functional programming before, but the book is pretty well written, and it nicely eases into topics. It provides a good balance between conciseness of a language, extensibility and performance. Additionally, sbt has some interesting features that come in handy during development, such as starting a scala repl with project classes and dependencies on the classpath, continuous. Includes an sbt nativepackager example to produce a docker image. Jerkson is a scala wrapper for jackson which brings scala s easeofuse to jacksons features. There is a project, libgdxsbtproject, that provides a simple path for getting started with libgdx and scala using standard build tools and best practices. Starts the scala interpreter with a classpath including the compiled sources and all dependencies. Download getting started with sbt for scala pdf ebook. Who this book is for getting started with sbt for scala is for builders working on scala duties whore desirous about learning and utilizing straightforward assemble. Open sourced the application developed in the book practical fp in scala hi, i want to share the source code of the application that has been developed for the book practical fp in scala. March 01, 2016 scala sbt plugins functional programming. The previous tutorial covered basic xml processing in scala, but as i noted, xml is not the primary choice for data serialization these days.
Scala helps people solve real problems in an elegant way. The one thing it doesnt do is crossbuilding, but sbts crossbuild support seems to be hackish as well. Having the author and the book class, we shape this scenario by. Jan 01, 20 this is a book that is full of simple examples that could give you a kick start in the scala world, specially if you are coming from java. Jerkson is a scala wrapper for jackson which brings scalas easeofuse to jacksons features. Describes getting started with the latest binary release. Includes an example of sbt modules and scalatest tdd.
I want to share the source code of the application that has been developed for the book practical fp in scala. Getting started with sbt for scala ebook by shiti saxena. After adding the dependencies from my previous project, this file looked like this. A wise and fastpaced info, getting started with sbt for scala walks you through the setup of scala duties in sbt with sample code for widespread along with important conditions. Addon module for jackson to support scalaspecific datatypes fasterxmljacksonmodulescala. Youll also need oracle jdk 8 or openjdk 8 the aim of this is to show you how sbt can be simple to get started with.
Its developers extol the combination of fast, correct, lightweight, and ergonomic attributes. You want to use eclipse with a project youre managing with sbt. Clear and concise examples for the person who wants to use sbt in production. It provides developers with a high productivity work environment hence it comes in really handy when dealing with large projects. This site uses cookies to offer you a better browsing experience. No scala knowledge is required as the book uses sbts dsl build. This is an excerpt from the scala cookbook partially modified for the internet.
Sbt has a nice tutorial on the website, while scala has a wide range of tutorials on its website and an excellent book that covers its features clearly and stepbystep great book, in fact its called programming in scala. Once you are familiar with the basics of scala you will appreciate having this source of invaluable examples and precise explanations of scala on hand. Sbt is a build tool designed for scala and java projects. Apr 19, 2010 sbt has a nice tutorial on the website, while scala has a wide range of tutorials on its website and an excellent book that covers its features clearly and stepbystep great book, in fact its called programming in scala. Sbt is the most common buildtool in the scala community, and is what we will. I started learning scala using the official book programming in scala with zero java background.
This example play framework source code file dependencies. Getting started with sbt for scala gets you going with using sbt and also introduces its advanced concepts. What i liked about this book is that the explanations of most of the recipes are simple and clear, on the other hand, being scala mainly a functional programming language, there are just few recipes that approach a solution in a functional way. Scala, eclipse, sbt and debugging zikas programming blog. Hi, is there a way how to run a scala script file in sbt console. The circejackson project supports using jackson for both parsing and printing. Scala vs java 8 you can start using scala right now if you are a java shop and you clients still need jdk 1. Jan 12, 2012 the simple build tool for scala offers a new way to configure build systems, starting with the basic concepts of keyvalue pairs and moving to configuration axis and plugins. Just download the book, fire up the repl, and start playing. To use scala parser combinators, you need to add the following dependencies in your build.
For windows, you may want to install babun, a windows shell you will love sbt installation steps. There are enough examples to become comfortable with sbt after reading the book however there shouldve been more for the features introduced. To run these commands youll need a shell or a terminal. There is a project, libgdx sbt project, that provides a simple path for getting started with libgdx and scala using standard build tools and best practices. It introduces the sbt tool with a simple project that establishes the fundamentals of running commands and tasks. Sep 11, 2015 sbt is an open source build tool for scala and java projects, similar to javas maven or ant. The simple build tool for scala offers a new way to configure build systems, starting with the basic concepts of keyvalue pairs and moving to configuration axis and plugins. Ive switched to jacksons scala module for serialization and deserialization to native scala data structures to get it, include the following in your build.
Then type sbt console to start a repl and then paste the following this will also work from the root directory of this. First of all, sbt was developed as a scala build tool from the very beginning. This project provides support for using jackson for json parsing and printing with circe, a scala library for encoding and decoding json to scala types. A handson approach using best practices in the functional world. Creates a jar file containing the files in srcmainresources and the classes compiled. The book provides both an authoritative reference for scala and a systematic tutorial covering all the features in the language. An easy way to use the jerkson library in the context of a tutorial like this is for the reader to set up a new sbt project, declare jerkson as a dependency, and then fire up the scala repl using sbts console action. This sorts out the process of obtaining external libraries and setting up the classpath so that they are available in an sbt.
Weve previously discussed the scala build tool, sbt, and how easy it is to extend its abilities using plugins. Haller is a 15 page pdf tutorial introducing scala from the official scala website. Sbt sbt is a build tool for scala and java projects that aims to do the basics well. Sbt alvin alexander java, scala, unix, perl, mac os x. Ive switched to jacksons scala module for serialization and deserialization to native scala data structures. Use the cookie settings link to activatedeactivate specific types of cookies. What would be best site, book, or tutorial for a scala. As i mentioned earlier, most javabased build tools are general in their nature, i. We have upgraded jackson to version 2 which means that the package name is now com. A practical and fastpaced guide, getting started with sbt for scala walks you through the setup of scala projects in sbt with sample code for common as well as critical scenarios. You can check out this resources if you are unfamiliar with them. The data is converted to and from json by jacksons objectmapper.