Scala Sample Program

object HelloWorld 

{

  def main(args : Array[String])

    {
    println("Hello, Hari Taraka Prabhu")
  }
}

 OR

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

Save with: HelloWorld.scala

Output:

C:\Users\mhtpr\Desktop\SQL.....ETL..Tableau\Materails\scala>scalac HelloWorld.scala

C:\Users\mhtpr\Desktop\SQL.....ETL..Tableau\Materails\scala>scala HelloWorld

Hello, Hari Tarkaa Prabhu!

==================================================================

From Direct Scala Interpreter:

scala>  object HelloWorld {

     |

     |   def main(args: Array[String]) =

     |

     |     println("Hello, Hari Tarkaa Prabhu!")

     |

     | }

// defined object HelloWorld

scala> HelloWorld.main(Array(" "))

Hello, Hari Tarkaa Prabhu!

======================================================================

With Calling Function

scala> def calling =

     | {

     | println("Hello Hari Taraka Prabhu")

     | }

scala> calling

Hello Hari Taraka Prabhu