Ad
Code
Diff
  • object Scala extends App {
      object StringUtilities {
        def upper(strings: String*) = strings.map(_.toUpperCase).mkString(" ")
      }
      
      println( StringUtilities.upper("A", "First", "Scala", "Program") )
    }
    • object Scala extends App {
    • object StringUtilities {
    • def upper(strings: String*): Seq[String] = {
    • strings.map(_.toUpperCase)
    • }
    • def upper(strings: String*) = strings.map(_.toUpperCase).mkString(" ")
    • }
    • println(StringUtilities.upper("A", "First", "Scala", "Program") mkString " ")
    • println( StringUtilities.upper("A", "First", "Scala", "Program") )
    • }