FizzBuzz.scala

object Main {
    def main(args:Array[String]) = {
        val DEFAULT = 100
        val end:Int = {
            if (args.isEmpty)
                DEFAULT
            else
                try {
                    Integer.parseInt(args(0))
                } catch {
                    case e:java.lang.NumberFormatException => {
                        Console.err.println("warning: 不正な値が渡されました: " + args(0))
                        Thread.sleep(1000)
                        DEFAULT
                    }
                }
        }
        (1 to end).foreach(n => 
            println(
                if (n % 15 == 0)
                    "FizzBuzz"
                else if (n % 5 == 0)
                    "Buzz"
                else if (n % 3 == 0)
                    "Fizz"
                else
                    n
            )
        )
    }
}