scala 中map

// 1,2,3,4,5   /* val arr = Array(1, 2, 3, 4, 5)    for (ele <- arr){      println(ele)    }*/  /*  val m1 = Map("name" -> "zhangsan", "age" -> 20)    for ((k,v) <- m1){      println("key is:" + k +"...." +"value is:" + v)    }    for ((k,_) <- m1){      println("key is two:" + k)    }*/    val fs = Source.fromFile("C://t2.txt")    println(fs +":fs")    for (lines <- fs.getLines){      println(lines)    }