Mac OS X 10.9 or later
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Scastie is Scala + sbt in your browser! You can use any version of the app, or even alternate backends such as Dotty, Scala.js, Scala Native, and Typelevel Scala. You can use any published library. You can save and share Scala programs/builds with anybody.
The Library Index (or Scaladex) is a representation of a map of all published libraries. With Scaladex, a developer can now query more than 175,000 releases of libraries. Scaladex is officially supported by Scala Center.
Features and Highlights
SEAMLESS JAVA INTEROP
It runs on the JVM, so Java and Scala stacks can be freely mixed for totally seamless integration.
So the type system doesn’t feel so static. Don’t work for the type of system. Let the type system work for you!
CONCURRENCY & DISTRIBUTION
Use data-parallel operations on collections, use actors for concurrency and distribution, or futures for asynchronous programming.
Combine the flexibility of Java-style interfaces with the power of classes. Think principled multiple-inheritance.
Think “switch” on steroids. Match against class hierarchies, sequences, and more.
Functions are first-class objects. Compose them with guaranteed type safety. Use them anywhere, pass them to anything.
Note: Make sure you have the Java JDK installed.
Also Available: Download Scala for Windows