/** Maps are easy to use in Scala. */ object Maps { val colors = Map("red" -> 0xFF0000, "turquoise" -> 0x00FFFF, "black" -> 0x000000, "orange" -> 0xFF8040, "brown" -> 0x804000) def main(args: Array[String]) { for (name <- args) println( colors.get(name) match { case Some(code) => name + " has code: " + code case None => "Unknown color: " + name } ) } }