Installing Scala

 Prerequisite

Install JDK in your system.

 

Step 1: Go to below location and download scala binaries.

https://www.scala-lang.org/download/ (or) https://github.com/lampepfl/dotty/releases

 

Step 2: Extract the downloaded binaries in step1.

 

Step 3: Set the variable SCALA_HOME to the path where Scala is extracted.

 

Set Scala bin directory path to your system path. Open new terminal and execute below command.

 

export PATH=$PATH:$SCALA_HOME/bin

 

Step 4: Execute the command ‘scala’. It opens scala REPL (Read-Evaluate-Print-Loop) prompt.

$scala
Welcome to Scala 2.13.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_251).
Type in expressions for evaluation. Or try :help.

scala>

You can evaluate expressions at scala REPL prompt.

scala> 1 + 2
val res0: Int = 3

scala> 20 + 30
val res1: Int = 50

Similarly you can print data to console using the print function.

scala> print("Hello World")
Hello World 

Execute the command :quit to come out of scala REPL prompt.

Previous                                                    Next                                                    Home