Difficulty: Beginner
Estimated Time: 10 minutes

This playground provides a personalised sandboxed environment for you to learn and explore Scala.

What are playgrounds?

Playgrounds give you a configured environment to start playing and exploring using an unstructured learning approach.

Playgrounds are great for experimenting and trying samples. To learn more about the technology then start with one of our labs

Thank you for trying the playground. More courses and scenarios are available at on our homepage

Don’t stop now! The next scenario will only take about 10 minutes to complete.

Scala Language Playground

Hello World

Copy the following code into the editor.

object HelloWorld {
  def main(args: Array[String]): Unit = {
    println("Hello, world!")
  }
}

Step 1) Compile using scalac app.scala

Step 2) Execute using scala HelloWorld

Start the Scala REPL using scala

Interested in writing your own Java scenarios and demos? Visit www.katacoda.com/teach

app.scala