Scala Queue +=:() method with example
Last Updated :
18 Oct, 2019
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:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue( "for" , "geeks" )
val result = q 1 .+ =: ( "geeks" )
print(result)
}
}
|
Output:
Queue(geeks, for, geeks)
Example #2:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue( 2 , 3 , 4 , 5 )
val result = q 1 .+ =: ( 1 )
print(result)
}
}
|
Output:
Queue(1, 2, 3, 4, 5)
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