Scala Queue apply() method with example

The apply() method is utilized to find the element at any given index in a queue.

Method Definition: def apply(idx: Int): A

Return Type: It returns the element at the given index of the queue.

Example #1:

// Scala program of apply()
// method

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

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a queue
        val q1 = Queue(10, 11, 12, 13, 14)

        // Print the queue
        println(q1)

        // Applying apply() method
        val result = q1.apply(0)

        // Display output
        print("Element at index 0 : " + result)

    }
}

Output:

Queue(10, 11, 12, 13, 14)
Element at index 0 : 10

Example #2:

// Scala program of apply()
// method

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

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a queue
        val q1 = Queue(10, 11, 12, 13, 14)

        // Print the queue
        println(q1)

        // Applying apply() method
        val result = q1.apply(2)

        // Display output
        print("Element at index 2 : " + result)

    }
}

Output:

Queue(10, 11, 12, 13, 14)
Element at index 2 : 12