Scala Queue mkString() method with a separator with example

The mkString() method is utilized to display all the elements of the queue in a string along with a separator.

Method Definition: def mkString(sep: String): String

Return Type: It returns all the elements of the queue in a string along with a separator.

Example #1:

// Scala program of mkString()
// method

// Import Queue
import scala.collection.mutable._

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a queue
        val q1 = Queue(1, 2, 3, 4)

        // Print the queue
        println(q1)

        // Applying mkString method
        val result = q1.mkString(", ")

        // Display output
        print("Queue: " + result)

    }
}

Output:

Queue(1, 2, 3, 4)
Queue: 1, 2, 3, 4

Example #2:

// Scala program of mkString()
// method

// Import Queue
import scala.collection.mutable._

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a queue
        val q1 = Queue("Geeks", "Will", "Rule")

        // Print the queue
        println(q1)

        // Applying mkString method
        val result = q1.mkString(", ")

        // Display output
        print("Queue: " + result)

    }
}

Output:

Queue(Geeks, Will, Rule)
Queue: Geeks, Will, Rule