Scala Mutable SortedSet head() method Last Updated : 26 Mar, 2020 Comments Improve Suggest changes Like Article Like Report In Scala mutable collections, SortedSet head() method is utilized to display the first element of the SortedSet. Method Definition: def head: A Return Type: It returns the first element of the SortedSet. Example #1: Scala // Scala program of head() // method import scala.collection.mutable.SortedSet // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a SortedSet val s1 = SortedSet(12, 15, 14, 13) // Applying head method val result = s1.head // Display output println(result) } } Output: 12 Example #2: Scala // Scala program of head() // method import scala.collection.mutable.SortedSet // Creating object object GfG { // Main method def main(args:Array[String]) { // Creating a SortedSet val s1 = SortedSet(6, 7, 5, 4, 1) // Applying head method val result = s1.head // Display output println(result) } } Output: 1 Comment More infoAdvertise with us Next Article Scala Mutable SortedSet head() method S Shivam_k Follow Improve Article Tags : Python Scala Scala Scala-Method Scala mutable-sortedset +1 More Practice Tags : python Similar Reads Scala Mutable SortedSet map() method In Scala mutable collections, map() method is utilized to build a new SortedSet by applying a function to all elements of this SortedSet. Method Definition: def map[B](f: (A) => B): mutable.SortedSet[B] Return Type: It returns a new SortedSet containing all the elements after applying the given f 1 min read Scala mutable SortedSet &~() method In Scala mutable collection &~() method is utilized to create a new SortedSet consisting of elements after the difference between two given SortedSets. Method Definition: def &~(that: SortedSet[A]): SortedSet[A] Return Type: It returns a TreeSet consisting of elements after the difference be 1 min read Scala mutable SortedSet &() method In Scala mutable collection, &() method is utilized to create a new SortedSet consisting of all elements that are present in both the given SortedSets. Method Definition: def &(that: SortedSet[A]): SortedSet[A] Return Type: It returns a new SortedSet consisting of all elements that are prese 1 min read Scala Mutable SortedSet max() method In Scala mutable collections, max() method is utilized to find the largest element of all the elements in the SortedSet. Method Definition: def max: A Return Type: It returns the largest of all the elements in the SortedSet. Example #1: Scala // Scala program of max() // method import scala.collecti 1 min read Scala Mutable SortedSet -() method In Scala mutable collections, SortedSet -() method is utilized to creates a new SortedSet with a given element removed from the SortedSet. Method Definition: def -(elem: A): SortedSet[A] Return Type: It returns a new SortedSet with a given element removed from the SortedSet. Example #1: Scala // Sca 1 min read Scala Mutable SortedSet +() method In Scala mutable collections, +() method is utilized to create a new SortedSet with an additional element unless the element is already present. Method Definition: def +(elem: A): SortedSet[A] Return Type: It returns a new SortedSet with an additional element unless the element is already present. E 1 min read Scala mutable SortedSet ++() method In Scala mutable collection, ++() method is utilized to add elements of one SortedSet to another SortedSet. Method Definition: def ++(elems: A): SortedSet[A] Return Type: It returns a new TreeSet containing elements of both the SortedSets. Example #1: Scala // Scala program of ++() method import sca 1 min read Scala mutable SortedSet equals() method In Scala mutable collection, equals() method is utilized to check whether the two SortedSets have the same elements or not. Method Definition: def equals(that: Any): Boolean Return Type: It returns true if the elements of both the SortedSets are same else it returns false. Example #1: Scala // Scala 1 min read Scala Mutable SortedSet find() method In Scala mutable collections, SortedSet find() method is utilized to find the first element of the SortedSet that satisfies the given predicate if present. Method Definition: def find(p: (A) => Boolean): Option[A] Return Type: It returns the first element of the SortedSet which satisfies the give 1 min read Scala Mutable SortedSet last() method In Scala mutable collections, last() method is utilized to return the last element of the SortedSet. Method Definition: def last: A Return Type: It returns the last element of the SortedSet. Example #1: Scala // Scala program of last() // method import scala.collection.mutable.SortedSet // Creating 1 min read Like