Program to convert Java list to Set in Scala Last Updated : 25 Nov, 2019 Comments Improve Suggest changes Like Article Like Report A java list can be converted to Set in Scala by utilizing toSet method of Java in Scala. Here, we need to import Scala’s JavaConversions object in order to make this conversions work. Now, lets see some examples and then discuss how it works in details. Example:1# Scala // Scala program to convert Java list // to Set in Scala // Importing Scala's JavaConversions object import scala.collection.JavaConversions._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating list in Java val list = new java.util.ArrayList[String]() // Adding string to the list list.add("GfG") // Converting list to set val set = list.toSet // Displays set println(set) } } Output: Set(GfG) Therefore, a set of string is returned. Here, firstly a list is created where, the string elements are added to it utilizing add method. After that toSet method is utilized in order to convert the stated list to the Set of Strings. Example:2# Scala // Scala program to convert Java list // to Set in Scala // Importing Scala's JavaConversions object import scala.collection.JavaConversions._ // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating list in Java val list = new java.util.ArrayList[String]() // Adding string to the list list.add("GfG") list.add("is a") list.add("CS-portal") // Converting list to set val set = list.toSet // Displays set println(set) } } Output: Set(GfG, is a, CS-portal) It is same as above example but here one more element is added in the stated list and then its returned here in the Set as output. Comment More infoAdvertise with us Next Article Program to convert Java list to Set in Scala nidhi1352singh Follow Improve Article Tags : Scala Scala scala-collection Similar Reads Program to convert Java Set to List in Scala A java Set can be converted to a List in Scala by utilizing toList method of Java in Scala. Here, we need to import Scala’s JavaConversions object in order to make this conversions work. Now, lets see some examples and then discuss how it works in details. Example:1# Scala // Scala program to conver 2 min read Program to convert Java list to Seq in Scala A java list can be converted to sequence in Scala by utilizing toSeq method of Java in Scala. Here, you need to import Scala’s JavaConversions object in order to make this conversions work else an error will occur. Now, lets see some examples and then discuss how it works in details. 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