Scala Queue isEmpty() method with example

The isEmpty() is utilized to check if the queue is empty or not.

Method Definition: def isEmpty: Boolean

Return Type: It returns true if the queue is empty or else it returns false.

Example #1:

// Scala program of isEmpty()
// 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, 3, 2, 7, 6, 5)

        // Print the queue
        println(q1)

        // Applying isEmpty method
        val result = q1.isEmpty

        // Display output
        print("The queue is empty: " + result)

    }
}

Output:

Queue(1, 3, 2, 7, 6, 5)
The queue is empty: false

Example #2:

// Scala program of isEmpty()
// method

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

// Creating object
object GfG
{

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

        // Creating a queue
        val q1 = Queue()

        // Print the queue
        println(q1)

        // Applying isEmpty method
        val result = q1.isEmpty

        // Display output
        print("The queue is empty: " + result)

    }
}

Output:

Queue()
The queue is empty: true