Scala Mutable SortedSet head() method
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 program of head() // method import scala.collection.mutable.SortedSet // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating a SortedSet val s 1 = SortedSet( 12 , 15 , 14 , 13 ) // Applying head method val result = s 1 .head // Display output println(result) } } |
Output:
12
Example #2:
// 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 s 1 = SortedSet( 6 , 7 , 5 , 4 , 1 ) // Applying head method val result = s 1 .head // Display output println(result) } } |
Output:
1