Scala Queue isEmpty() method with example
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:
// Scala program of isEmpty() // 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( 1 , 3 , 2 , 7 , 6 , 5 ) // Print the queue println(q 1 ) // Applying isEmpty method val result = q 1 .isEmpty // Display output print( "The queue is empty: " + result) } } |
Output:
Queue(1, 3, 2, 7, 6, 5) The queue is empty: false
Example #2:
// Scala program of isEmpty() // 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() // Print the queue println(q 1 ) // Applying isEmpty method val result = q 1 .isEmpty // Display output print( "The queue is empty: " + result) } } |
Output:
Queue() The queue is empty: true
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