Set method test

set_method.scala

object Main {
    def main(args: Array[String]): Unit = {
	new SetMethods()	
    }
}


class SetMethods {
		 
	private val digits = Set(1,3,5,7)
	println("digits : " + digits)
	val methods = List(contains, union, intersect, diff)
	
	def contains(): Unit = {
		println("-"*5 + " digits contains 1 " + "-"*5)
		println(digits contains 1)
	}
	
	def union(): Unit = {
		println("-"*5 + " digits union Set(2,3,5,7) " + "-"*5)
		println(digits union Set(2,3,5,7))
	}
	
	def intersect(): Unit = {
		println("-"*5 + " digits intersect Set(2,3,5,7) " + "-"*5)
		println(digits intersect Set(2,3,5,7))
	}
	
	def diff(): Unit = {
		println("-"*5 + " digits diff Set(2,3,5,7) " + "-"*5)
		println(digits diff Set(2,3,5,7))
	}
}