Set and Map

import scala.collection.mutable
object HelloWorld {
def main(args: Array[String]): Unit = {
var set1 = Set(1,2)
set1+=3
println(set1)
println(set1.getClass)
val set = mutable.Set(1,2,3)
println(set)
println(set.getClass)

val map = mutable.Map.empty[String,Int]
map("kuber")=1
map("khandelwal")=2
println(map)
println(map.getClass)

}

}