Scala

先 IMPORT!!!!

scala> import scala.collection._
import scala.collection._

scala> SortedMap("2"->"jx","1"->"hxf","3"->"hl")
res0: scala.collection.SortedMap[String,String] = Map(1 -> hxf, 2 -> jx, 3 -> hl)

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原文地址：https://www.cnblogs.com/tugeler/p/5144344.html