Scala Queue +=:() method with example
The +=:() method is utilized to add an element at the front of a queue.
Method Definition: def +=:(elem: A): Queue.this.type
Return Type: It returns the given queue with an element added at its front.
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) // Applying +=:() method val result = q1.+=:(1) // Display output print(result) } } |
Output:
Queue(1, 2, 3, 4, 5)