Notes on sets :
– Scala provides mutable and immutable sets. (scala.collection.mutable, scala.collection.immutable )
Sets examples :
– Sets creating, initializating
scala> import scala.collection.mutable.Set
scala> val teniscordVisitorsSet = Set(“Players”, “Watchers”)
scala> tenisCordVisitorsSet += “Referees”
scala>import scala.collection.immutable.HashSet
scala>val tenisCordVisitorsSet = HashSet(“Players”, “Watchers”)
Reference :
1. Programming in Scala: A Comprehensiv e Step-by-step Guide