def printArgs(args: Array[String]): Unit = {
    var i = 0
    while (i < args.length) {
	println(args(i))
	i += 1
    }
}


def printArgsFunctional(args: Array[String]): Unit = {
    for (arg <- args)
	println(arg)
}

def printArgsFunctional2(args: Array[String]): Unit = {
    args.foreach(println)
}