Scala

Do you know "Scala"? Scala is a Java-like programming language designed to integrate features of object-oriented programming and functional programming.  It can be a popular programming language!!! Take a look if you interested in.

object ExHello{
    def main(args: Array[String]) {
      println("Hello, what's up?")
    }
  }

http://www.scala-lang.org/
http://en.wikipedia.org/wiki/Scala_(programming_language)