Free Online Scala Code Explainer

Explain code snippets from Scala.

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How to use the Scala explainer

Paste your Scala code snippet in the input box and click the "Explain" button.
Our AI will generate an explanation for your code.

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About Scala

Scala is a general-purpose programming language providing support for functional programming and a strong static type system. Designed to be concise, many of Scala's design decisions are aimed to address criticisms of Java.

Scala code examples

Hello World in Scala

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

Fibonacci in Scala

object Fibonacci {
    def fibonacci(n: Int): Unit = {
        var (a, b) = (0, 1)
        for (_ <- 0 until n) {
            println(a)
            val temp = a
            a = b
            b = temp + b
        }
    }

    def main(args: Array[String]): Unit = {
        fibonacci(10)
    }
}