Scala Queue apply() method with example
The apply() method is utilized to find the element at any given index in a queue.
Method Definition: def apply(idx: Int): A
Return Type: It returns the element at the given index of the queue.
Example #1:
// Scala program of apply() // 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( 10 , 11 , 12 , 13 , 14 ) // Print the queue println(q 1 ) // Applying apply() method val result = q 1 .apply( 0 ) // Display output print( "Element at index 0 : " + result) } } |
Output:
Queue(10, 11, 12, 13, 14) Element at index 0 : 10
Example #2:
// Scala program of apply() // 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( 10 , 11 , 12 , 13 , 14 ) // Print the queue println(q 1 ) // Applying apply() method val result = q 1 .apply( 2 ) // Display output print( "Element at index 2 : " + result) } } |
Output:
Queue(10, 11, 12, 13, 14) Element at index 2 : 12