Scala Map size() method with example Improve Improve Like Article Like Save Share Report The size() is utilized to find the number of key-value pairs in the stated map. Method Definition: def size: Int Return Type: It returns the number of elements in the map. Example #1: // Scala program of size() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a map val m1 = Map(3 -> "geeks", 1 -> "for", 2 -> "cs") // Applying size method val result = m1.size // Displays output println(result) } } Output: 3 Example #2: // Scala program of size() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a map val m1 = Map(3 -> "geeks", 1 -> "for", 1 -> "cs") // Applying size method val result = m1.size // Displays output println(result) } } Output: 2 Last Updated : 13 Aug, 2019 Like Article Save Article Previous Scala Map copyToArray() method with example Next Scala Map transform() method with example Share your thoughts in the comments Add Your Comment Please Login to comment...