Scala Map size() method with example Last Updated : 13 Aug, 2019 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 Like Article Suggest improvement Previous Scala Map addString() method with a start, a separator and an end with example Next Scala Map transform() method with example Share your thoughts in the comments Add Your Comment Please Login to comment...