Scala Queue contains() method with example
Last Updated :
18 Oct, 2019
The contains() method is utilized to test if an element is present in the queue or not.
Method Definition: def contains[A1 >: A](elem: A1): Boolean
Return Type: It returns true if the element is present in the queue, else it returns false.
Example #1:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue( 10 , 11 , 12 , 13 , 14 )
println(q 1 )
val result = q 1 .contains( 12 )
print( "Queue contains 12: " + result)
}
}
|
Output:
Queue(10, 11, 12, 13, 14)
Queue contains 12: true
Example #2:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue( 10 , 11 , 12 , 13 , 14 )
println(q 1 )
val result = q 1 .contains( 20 )
print( "Queue contains 20: " + result)
}
}
|
Output:
Queue(10, 11, 12, 13, 14)
Queue contains 20: false
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