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