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 q 1 = Queue( 3 , 4 , 5 ) val q 2 = Queue( 1 , 2 ) // Applying ++=() method q 2 .++ = (q 1 ) // Display output print(q 2 ) } } |
chevron_right
filter_none
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 q 1 = Queue( "for" , "geeks" ) val q 2 = Queue( "geeks" ) // Applying ++=() method q 2 .++ = (q 1 ) // Display output print(q 2 ) } } |
chevron_right
filter_none
Output:
Queue(geeks, for, geeks)