Scala Queue size() method with example
The size() method is utilized to return the number of elements present in the queue.
Method Definition: def size: Int
Return Type: It returns the number of elements present in the queue.
Example #1:
// Scala program of size() // 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( 5 , 2 , 3 , 7 , 1 ) // Print the queue println(q 1 ) // Applying size method val result = q 1 .size // Display output print( "Number of elements in the queue: " + result) } } |
Output:
Queue(5, 2, 3, 7, 1) Number of elements in the queue: 5
Example #2:
// Scala program of size() // 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( "a" , "e" , "i" , "o" , "u" ) // Print the queue println(q 1 ) // Applying size method val result = q 1 .size // Display output print( "Number of elements in the queue: " + result) } } |
Output:
Queue(a, e, i, o, u) Number of elements in the queue: 5
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