Scala Queue isEmpty() method with example
Last Updated :
29 Oct, 2019
The isEmpty() is utilized to check if the queue is empty or not.
Method Definition: def isEmpty: Boolean
Return Type: It returns true if the queue is empty or else it returns false.
Example #1:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue( 1 , 3 , 2 , 7 , 6 , 5 )
println(q 1 )
val result = q 1 .isEmpty
print( "The queue is empty: " + result)
}
}
|
Output:
Queue(1, 3, 2, 7, 6, 5)
The queue is empty: false
Example #2:
import scala.collection.mutable. _
object GfG
{
def main(args : Array[String])
{
val q 1 = Queue()
println(q 1 )
val result = q 1 .isEmpty
print( "The queue is empty: " + result)
}
}
|
Output:
Queue()
The queue is empty: true
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