Scala Set mkString() method with example Last Updated : 18 Oct, 2019 Improve Improve Like Article Like Save Share Report The mkString() method is utilized to display all elements of the set in a string. Method Definition: def mkString: String Return Type: It returns a string containing all the element of the set. Example #1: // Scala program of mkString() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a set val s1 = Set(1, 2, 3, 4) // Applying mkString method val result = s1.mkString // Display output println(result) } } Output: 1234 Example #2: // Scala program of mkString() // method // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a set val s1 = Set("Geeks", "Will", "Rule") // Applying mkString method val result = s1.mkString // Display output println(result) } } Output: GeeksWillRule Like Article Suggest improvement Previous Scala Set count() method with example Next Scala Set filter() method with example Share your thoughts in the comments Add Your Comment Please Login to comment...