Setting Up Scala

.md

Installing Java

You can either install Oracle Java or OpenJDK (the Open Source implementation of Oracle Java)

Installing Oracle Java

Ubuntu

sudo apt-get install python-software-properties
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

MacOS (via Homebrew)

brew update
brew tap caskroom/cask
brew install Caskroom/cask/java

Windows

Follow the instructions here and then set the JAVA_HOME environment variable

Installing OpenJDK

Ubuntu

sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk

MacOS

Instructions on building OpenJDK

Windows

Follow the installation instructions here.

Installing Scala

Ubuntu

wget www.scala-lang.org/files/archive/scala-2.11.8.deb
sudo dpkg -i scala-2.11.8.deb

MacOs (with Homebrew)

 brew update
 brew install scala

Windows

• Download .msi installer file from Scala Downloads page
• Install Scala by double clicking .msi installer
• This will install Scala on C:\Program Files (x86)\scala Or C:\Program Files\scala path
• Go to My Comupter > Properties > Advance System Settings > Environment Variables
• Create SCALA_HOME variable with the path where Scala is extracted
• In our case it will be C:\Program Files\scala
• Update/Create PATH variable and append ;%SCALA_HOME%/bin; to the value

Installing SBT

Sbt is the interactive build tool for Scala projects, used to manage dependencies and tasks in projects.

Ubuntu

echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2EE0EA64E40A89B84B2DF73499E82A75642AC823
sudo apt-get update
sudo apt-get install sbt

MacOS

brew install sbt   

OR

port install sbt

Windows

Download and install the msi installer.