Scala List map() method with example Last Updated : 13 Aug, 2019 Improve Improve Like Article Like Save Share Report The map() method is utilized to apply the stated function to all the elements of the list. Method Definition: def map[B](f: (A) => B): List[B] Return Type: It returns a new list after applying the stated function to all the elements of the list. Example #1: // Scala program of map() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a list val m1 = List(2, 3, 5, 7, 8) // Applying map method val result = m1.map(x => x*3) // Displays output println(result) } } Output: List(6, 9, 15, 21, 24) Example #2: // Scala program of map() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a list val m1 = List(2, 3, 5, 7, 8) // Applying map method val result = m1.map(x => x*x) // Displays output println(result) } } Output: List(4, 9, 25, 49, 64) Like Article Suggest improvement Previous Scala List mkString() method with example Next Scala List mkString() method with example Share your thoughts in the comments Add Your Comment Please Login to comment...