Examples
Reading standard input
import scala.io.StdIn
object Demo {
  def main(args: Array[String]): Unit = {
    val in = StdIn.readLine()
    println(s"Hello, $in!")
  }
}
Reading a file
import java.nio.file.Files
import java.nio.file.Paths
object Demo {
  def main(args: Array[String]): Unit = {
    val path = Paths.get("file.txt")
    println(Files.readString(path))
  }
}