Scala Queue +:() method with example
The +:() method is utilized to return a new queue with an element added at the front 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 front 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("for", "Beginner") // Applying +:() method val result = q1.+:("Beginner") // Display output print(result) } } |
Output:
Queue(Beginner, for, Beginner)
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(2, 3, 4, 5, 6) // Applying +:() method val result = q1.+:(1) // Display output print(result) } } |
Output:
Queue(1, 2, 3, 4, 5, 6)