The First Program In Scala

Type this one in scala environment interactively:

scala> object HelloWorld{

     | def main(args: Array[String]){

     | println("Hello World From Scala")

     | }

     | }

To execute above code, type:
scala> HelloWorld.main(null)

Or you can use:

scala> object Hello extends Application{
     | println("Hello World From Scala")
     | }

To run it, just type:

scala> Hello
 

The First Program In Scala