object O {
def main(args: Array[String]): Unit = {
var v = Vector("scala", "swift", "java", "c")
v = v ++ List("c++", "c#")
v.foreach((s:String) => print(s + " "))
println("\n")
v.foreach(println(_))
}
}
/*
run:
scala swift java c c++ c#
scala
swift
java
c
c++
c#
*/