fizzbuzz.scala

object FizzBuzz {
  def convertToFizzBuzz(listOfNumber: List[Int]): List[String] = {
    listOfNumber.map((i: Int) => fizzbuzz(i))
  }

  def fizzbuzz(n: Int): String = {
    if (n % 3 == 0 && n % 5 == 0) { "FizzBuzz" }
    else if (n % 3 == 0) { "Fizz" }
    else if (n % 5 == 0) { "Buzz" }
    else { n.toString }
  }

  def main(args: Array[String]) {
    val listOfNumber = (0 to 100).toList
    val listOfConverted = convertToFizzBuzz(listOfNumber)
    listOfConverted.foreach((s: String) => println(s))
  }
}

usingcase.scala

object FizzBuzz {
  def convertToFizzBuzz(listOfNumber: List[Int]): List[String] = {
    listOfNumber.map((i: Int) => fizzbuzz(i))
  }

  def fizzbuzz(n: Int): String = (n % 3, n % 5) match {
    case (0,0) => "FizzBuzz"
    case (0,_) => "Fizz"
    case (_,0) => "Buzz"
    case _ => n.toString 
  }

  def main(args: Array[String]) {
    val listOfNumber = (0 to 100).toList
    val listOfConverted = convertToFizzBuzz(listOfNumber)
    listOfConverted.foreach((s: String) => println(s))
  }
}