seq method test

SeqMethods.scala

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

class SeqMethods {
		 
	private val digits = Seq(1,3,5,7)
	private val chars = Seq("a", "b", "c", "d", "a", "c", "b")
	println("digits : " + digits)
	println("chars : " + chars)
	
	val methods = List(contains, containsSlice, startsWith, endsWith, reverse, sorted, indexOf, lastIndexOf)
	
	def contains(): Unit = {
		println("-"*5 + " digits contains 1 " + "-"*5)
		println(digits contains 1)
	}
	
	def containsSlice(): Unit = {
		println("-"*5 + " digits containsSlice Seq(3,5) " + "-"*5)
		println(digits containsSlice Seq(3,5))
	}
	
	def startsWith(): Unit = {
		println("-"*5 + " digits startsWith Seq(1,3) " + "-"*5)
		println(digits startsWith Seq(1,3))
	}
	
	def endsWith(): Unit = {
		println("-"*5 + " digits endsWith Seq(5,7) " + "-"*5)
		println(digits endsWith Seq(5,7))
	}
	def reverse(): Unit = {
		println("-"*5 + " digits reverse " + "-"*5)
		println(digits reverse)
	}
	def sorted(): Unit = {
		println("-"*5 + " chars sorted " + "-"*5)
		println(chars sorted)
	}
	def indexOf(): Unit = {
		println("-"*5 + " chars indexOf \"a\" " + "-"*5)
		println(chars indexOf "a")
	}
	def lastIndexOf(): Unit = {
		
		println("-"*5 + " chars lastIndexOf \"a\" " + "-"*5)
		println(chars lastIndexOf "a")
	}
}