4. [Activity] Scala Basics, Part 1

SCALA CRASH COURSE

What Is Scala?

  • Yet another programming language!

    • It's what Spark is built with

    • New featuress are often Scala-first.

    • You can also program Spark with Python or Java

  • Runs on top of the Java virtual machine

    • Can access Java classes

  • Functional programming

Adminstrative Note

  • The instructor will attach sample code to each lecture on platforms that support it

  • But you downloaded these same files in lesson 2 - you can import them from whereever you saved them instead if you want.

Activity

  • Go to the resources folder and download LearningScala1.sc

  • Open Eclipse-Scala IDE and create a new Scala Project called LearningScala

  • Right click on LearningScala Project, and import the file LearningScala1.sc from the file location you have download the source resource of SparkScala

  • Double click on LearningScala1.sc and you should see the scala code written in the file

  • Scala can implicitly figure out the type for its val

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