Scala Queue ++=() method with example
The ++=() method is utilized to add element of a queue at the back of another queue.
Method Definition: def ++=(xs: IterableOnce[A]): Queue.this.type
Return Type: It returns the given queue with elements of another queue added at its end.
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(3, 4, 5) val q2 = Queue(1, 2) // Applying ++=() method q2.++=(q1) // Display output print(q2) } } |
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Output:
Queue(1, 2, 3, 4, 5)
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("for", "geeks") val q2 = Queue("geeks") // Applying ++=() method q2.++=(q1) // Display output print(q2) } } |
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Output:
Queue(geeks, for, geeks)
