package main.scala    /**    * Created by silentwolf on 2016/5/24.    */  object FileIO {      def main(args: Array[String]) {        if (args.length != 2) {        System.err.println("Usage: FileIO <sourcePath> <desPath>")        System.exit(1)      }        val Array(sourcePath,desPath) = args        println("第一个参数："+sourcePath)        println("第二个参数："+desPath)      }    }