Scala Mutable SortedSet mkString() method

In Scala mutable collections, mkString() method is utilized to display all elements of the SortedSet in a string.

Method Definition: def mkString: String

Return Type: It returns a string containing all the element of the SortedSet.

Example #1:

// Scala program of mkString()
// method
import scala.collection.mutable.SortedSet

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a SortedSet
        val s1 = SortedSet(121, 2242, 331, 400)

        // Applying mkString method
        val result = s1.mkString

        // Display output
        println(result)
    }
}

Output:

1213314002242

Example #2:

// Scala program of mkString()
// method
import scala.collection.mutable.SortedSet

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a SortedSet
        val s1 = SortedSet("Geeks", "Will", "Rule")

        // Applying mkString method
        val result = s1.mkString

        // Display output
        println(result)
    }
}

Output:

GeeksRuleWill