object Demo {

   def main(args: Array[String]) = {

      val num = Set(5,6,9,20,30,45)

​

      // find min and max of the elements

      println( "Min element in Set(5,6,9,20,30,45) : " + num.min )

      println( "Max element in Set(5,6,9,20,30,45) : " + num.max )

   }

}