Scala HashSet

import scala.collection.immutable.HashSet
object MainObject{
    def main(args:Array[String]){
        var hashset = HashSet(4,2,8,0,6,3,45)
        hashset.foreach((element:Int) => println(element+" "))   
   }
}

0 
6 
2 
45 
3 
8 
4