寒假学习日报（三十二）

package com.chapter01.hanshu

object Demo03 {
  def main(args: Array[String]): Unit = {
    println(sum(10, 20, 3, 5, 7, 9))
  }

  def sum(n1: Int, args: Int*): Int = {
    //args类型：Seq[Int]
    println("args.length=" + args.length)
    //遍历
    var sum = 0
    for (item <- args) {
      sum += item
    }
    sum
  }
}