Scala Queue :+() method with example

The :+() method is utilized to return a new queue with an element added at the back of the given queue.

Method Definition: def:+[B >: A](elem: B): Queue[B]

Return Type: It returns a new queue with an element added at the back of the given queue.

Example #1:

// Scala program of :+()
// 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, 5)

        // Applying :+() method
        val res = q1.:+(10)

        // Display output
        print(res)

    }
}

Output:

Queue(1, 2, 3, 4, 5, 10)

Example #2:

// Scala program of :+()
// 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", "for")

        // Applying :+() method
        val res = q1.:+("geeks")

        // Display output
        print(res)

    }
}

Output:

Queue(geeks, for, geeks)