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 s1 = SortedSet(12, 15, 14, 13)

        // Applying head method
        val result = s1.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 s1 = SortedSet(6, 7, 5, 4, 1)

        // Applying head method
        val result = s1.head

        // Display output
        println(result)
    }
}

Output:

1