{"id":13069,"date":"2018-04-11T07:11:25","date_gmt":"2018-04-11T07:11:25","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=13069"},"modified":"2021-12-04T10:16:32","modified_gmt":"2021-12-04T04:46:32","slug":"scala-environment-setup","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/scala-environment-setup\/","title":{"rendered":"Learn Scala Environment Setup | How to Install Scala"},"content":{"rendered":"

This article on Scala Environment Setup<\/strong> will guide you through setting up Scala for your system. Along with this, we will learn how to install Scala Programming. If you still haven\u2019t begun with the language, now\u2019s your chance.<\/p>\n

So, let’s start “How to Install Scala”.<\/p>\n

Scala Environment Setup<\/h3>\n

We know that Scala runs on the JVM. So for Scala Environment Setup, you\u2019ll need to have Java installed on your machine. To check, open the command prompt and type the following:<\/p>\n

\"Scala<\/a>

Image.1 Scala Environment Setup<\/p><\/div>\n

This tells us that we have Java 1.8 involved. If it isn\u2019t installed for you, you can download it here:
\nhttp:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/index.html<\/a><\/p>\n

How to Install Scala?<\/h3>\n

Now, we\u2019ll need to Install Scala. For learning purposes, we can simply download the binaries from the official site:<\/p>\n

https:\/\/www.scala-lang.org\/download\/<\/a><\/p>\n

This is around 123.7MB heavy.<\/p>\n

Once you hit download, you\u2019ll see the following:<\/p>\n

\"Scala<\/a>

Image.2 Scala Setup Environment: Install Scala<\/p><\/div>\n

Click Next.<\/p>\n

\"Scala<\/a>

Image.3 Scala Setup Environment: Install Scala<\/p><\/div>\n

Here, make sure the checkbox for the terms and conditions is checked. Then, click Next.<\/p>\n

\"<\/a>

Image.4 Scala Setup Environment: Custom Setup<\/p><\/div>\n

Now, this dialog lets you select the features you want to install.<\/p>\n

\"Setup<\/a>

Image.5 Setup Scala Environment: Ready to Install Scala Programming<\/p><\/div>\n

We\u2019re ready to install it. Click on \u2018Install\u2019.<\/p>\n

\"Install<\/a>

Image.6 Install Scala Programming Language Distribution<\/p><\/div>\n

Wait as it installs.<\/p>\n

\"Completed<\/a>

Image.7 Completed the Scala Programming Language Distribution Setup Wizard<\/p><\/div>\n

We\u2019re done; click \u2018Finish\u2019.<\/p>\n

Now, when you get in the command prompt, type scala:<\/p>\n

C:\\Users\\lifei>scala<\/p>\n

Welcome to Scala 2.12.5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_151).<\/p>\n

Type in expressions for evaluation. Or try :help.<\/p>\n

scala><\/pre>\n
This will give you the Scala prompt. Here, you can type in expressions to evaluate:<\/p>\n
scala> println(\"Hello\")\r\nHello\r\nscala> 2+3\r\nres1: Int = 5<\/pre>\n
If, however, you want to run your program as a script, save it as a file with a .scala extension, and move to that location. Here\u2019s the file we use:<\/p>\n
object hello extends App{\r\n    println(\"Hello\")\r\n}<\/pre>\n
First, let\u2019s quit Scala in the command prompt by pressing Ctrl+C and then pressing y, and then Enter:<\/p>\n
scala> Terminate batch job (Y\/N)? y<\/pre>\n
C:\\Users\\lifei><\/p>\n
Now, let\u2019s get to the Desktop, since that is where we saved the file:<\/p>\n
C:\\Users\\lifei>cd Desktop<\/p>\n
Then, to compile the script, run the following command:<\/p>\n
C:\\Users\\lifei\\Desktop>scalac hello.scala<\/p>\n
Next, to run the script, do the following:<\/p>\n
C:\\Users\\lifei\\Desktop>scala hello<\/p>\n
Hello<\/p>\n
C:\\Users\\lifei\\Desktop><\/p>\n
There you go! All set for your journey with Scala.<\/p>\n
Getting Started with an IDE<\/h3>\n
To build projects with Scala, you\u2019ll need to work with an IDE. In this tutorial, we\u2019ll use IntelliJ IDEA. First, download it from here:<\/p>\n
https:\/\/www.scala-lang.org\/download\/<\/a><\/p>\n
Then, you\u2019ll drive through the following screens:<\/p>\n
\"Scala<\/a>
Image.8 Scala Environment Setup: IDEA Setup<\/p><\/div>\n
\"Scala<\/a>
Image.9 Scala Environment Setup: Choose Install Scala Location<\/p><\/div>\n
Here, you can select which folder to install Scala in.<\/p>\n
\"Setup<\/a>
Image.10 Setup Scala Environment: Scala Installation Options<\/p><\/div>\n
You may choose to create a Desktop shortcut, or even create associations with Java, Groovy, and kt.<\/p>\n
\"Choose<\/a>
Image.11 Choose Start Menu Folder<\/p><\/div>\n
Where do you want to create shortcuts for the program in the Start Menu? Or would you like to create a new folder?<\/p>\n
\"IDEA<\/a>
Image.12 IDEA Installing<\/p><\/div>\n
Let it install.<\/p>\n
\"Completing<\/a>
Image.13 Completing IDEA Setup<\/p><\/div>\n
Phew, we\u2019re done. Now, click on \u2018Finish\u2019.<\/p>\n
\"Import<\/a>
Image.14 Import IDEA setting form<\/p><\/div>\n
A couple final formalities.<\/p>\n
\"License<\/a>
Image.15 License Agreement<\/p><\/div>\n
Accept the user license agreement to continue.<\/p>\n
\"Data<\/a>
Image.16 Data Sharing Options<\/p><\/div>\n
You can opt to anonymously send usage statistics to JetBrains, the brain of IntelliJ.<\/p>\n
\"Scala<\/a>
Image.17 Scala Environment Setup<\/p><\/div>\n
You can either activate your license or evaluate it for free. We downloaded the Ultimate edition.<\/p>\n
\"Setup<\/a>
Image.18 Setup Scala Environment<\/p><\/div>\n
\"Learn<\/a>
Image.19 Learn Scala Environment Setup and Get Started with an IDE<\/p><\/div>\n
Let\u2019s evaluate it for free.<\/p>\n
Accept.<\/p>\n
\"Set<\/a>
Image.20 Set UI Theme<\/p><\/div>\n
Do you prefer a lighter theme or the darker, more popular Darcula?<\/p>\n
\"UI<\/a>
Image.21 UI Themes Default Plugin<\/p><\/div>\n
Choose the plugins you want.<\/p>\n
\"Customize<\/a>
Image.22 Customize IDEA<\/p><\/div>\n
\"Download<\/a>
Image.23 Download Featured Plugins<\/p><\/div>\n
You can also download featured plugins.<\/p>\n
\"Download<\/a>
Image.24 Download Featured Plugins<\/p><\/div>\n
Let\u2019s download for Scala.<\/p>\n
\"Download<\/a>
Image.25 Download Featured Plugins<\/p><\/div>\n
\"Learn<\/a>
Image.26 IntelliJ IDEA<\/p><\/div>\n
\"Learn<\/a>
Image.27 IntelliJ IDEA – Install<\/p><\/div>\n
It\u2019s installed.<\/p>\n
We\u2019re all done! Open it.<\/p>\n
Create a new project.<\/p>\n
\"IDEA<\/a>
Image.28 IDEA New Project<\/p><\/div>\n
Choose Scala.<\/p>\n
After this, you can choose your own configurations for your project, including the JDK.<\/p>\n
So, this was all about Scala Environment Setup Tutorial. Hope you like our explanation.<\/p>\n
Conclusion<\/h3>\n
Hence, we studied all the steps to install Scala.\u00a0Hope you had fun installing Scala on your machine. Still, have a query, feel free to ask in the comment box.<\/p>\n
Reference<\/a><\/strong>
This article on Scala Environment Setup will guide you through setting up Scala for your system. Along with this, we will learn how to install Scala Programming. If you still haven\u2019t begun with the...<\/p>\n","protected":false},"author":6,"featured_media":31150,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[16505,5097,6795,12439],"class_list":["post-13069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scala","tag-download-scala","tag-getting-started-with-idea","tag-install-scala","tag-scala-environment-setup"],"yoast_head":"\nLearn Scala Environment Setup | How to Install Scala - DataFlair<\/title>\n<meta name=\"description\" content=\"Scala Environment Setup: Prerequisites to setup Scala environment, Install Scala Programming, Getting Started with IDEA, Scala Installation Steps\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/scala-environment-setup\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Learn Scala Environment Setup | How to Install Scala - 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