package gxyimport scala.collection.mutableobject Test25 {def main(args: Array[String]): Unit = {//可变mapval map1 = mutable.Map("123" -> "活着,余华,8888", "234" -> "朝花夕拾,鲁迅,7777", "456" -> "三体,刘慈欣,9999")println(map1)//1.添加map1 += ("678" -> "某某,木苏里,6666", "789" -> "撒野,巫哲,2222")println(map1)val rs = map1.get("123")println(rs.get)println(map1("123"))map1("123") = "活着,余华,8888"for ((key, value) <- map1) {println(s"$key 是 ${value}的简称")val map2 = map1 - "123" -> "活着,余华,8888"for ((key, value) <- map1) {println(s"$key 是 ${value}的简称")}}} }