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Scala Installation

 

Before installing scala you need to install java (1.5 or higher version) on your system.

Installation on Windows

Step 1: Verify the JDK installation on your machine. Open the shell/terminal and type java -version and javac -version

Step 2: Download Scala 2.11.7 binaries in the system from  http://www.scala-lang.org/download/ and then run the downloaded file

scala installation1

Step 3: Click on next button

scala installation2

Step 4: Select the check box

scala installation3

Step 5: If you want to change the location then select the folder where you want to install it otherwise click on next.

scala installation4

 

Step 6: Click on install button

scala installation5

 

Step 7:

scala installation6

 

Step 8: Click on finish button

scala installation7

 

Step 9: Set path

To include the scala directory to the path use the following command in windows:-

Right click on My Computer ->Properties ->Advanced System setting ->Environment Variable ->Select Path->Edit

Then it will open a box in which you add the path where the java is installed by using ; (semi colon).

For Example:

If it contains ‘C:\Windows\System32′ then change your path by ‘C:\Windows\System32; C:\Program Files\scala\bin’.

 

 Step 10: Then type scala in command line mode

scala installation8

 

Installation on Linux or on Mac

Scala installation on Linux, Ubuntu, Mac OS X or any Unix based system is same.

Step 1: Verify the JDK installation on your machine. Open the shell/terminal and type java -version and javac –version

Step 2: Download Scala Binaries from http://www.scala-lang.org/download/ and then unzip the scala-2.11.7.tgz file using the following command-

$ tar -xvzf scala-2.11.7.tgz

scala-2.11.7/

scala-2.11.7/man/

scala-2.11.7/man/man1/

scala-2.11.7/man/man1/scala.1

scala-2.11.7/man/man1/scalap.1

scala-2.11.7/man/man1/fsc.1

scala-2.11.7/man/man1/scaladoc.1

scala-2.11.7/man/man1/scalac.1

scala-2.11.7/bin/

scala-2.11.7/bin/scalac

...

 

Step 3: After unzip, change the path to point to the directory using cd command. By default directory is download.

$ cd ~/Downloads

[intellipaat@local Downloads]$

 

Step 4: At that time you are in the download folder where the scala binaries are present. Just go to the bin directory.

[intellipaat@local Downloads]$ cd scala-2.11.7

[intellipaat@local scala-2.11.7]$cd bin

 

Step 5: Then enter the scala shell as follows-

[intellipaat@local bin]$ ./scala

Picked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=on -Dswing.aatext=true -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel

Welcome to Scala version 2.11.7 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_20).

Type in expressions to have them evaluated.

Type :help for more information.

scala>

Set PATH for Scala

Use the following command for setting PATH for Scala.

$ export PATH = $PATH:/Downloads/scala/bin

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