How to print hello world in Scala

Learn, how to print a Hello world program in the Scala language.

1. Create a new file called HelloWorld.scala and add the following code.

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

2. Now, we need to compile the code by running this command.

scalac HelloWorld.scala

This above command will generate a java bytecode.

3. Run this command to execute the generated bytecode.

scala HelloWorld