Scala Queue init() method with example
The init() method is utilized to return a new queue that consists of all the elements except the last one.
Method Definition: def init: Queue[A]
Return Type: It returns a new queue that consists of all the elements except the last one.
Example #1:
// Scala program of init() // method // Import Queue import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating queues val q 1 = Queue( 1 , 3 , 2 , 7 , 6 , 5 ) // Print the queue println(q 1 ) // Applying init method val result = q 1 .init // Display output print( "Elements of the queue except the last one: " + result) } } |
Output:
Queue(1, 3, 2, 7, 6, 5) Elements of the queue except the last one: Queue(1, 3, 2, 7, 6)
Example #2:
// Scala program of init() // method // Import Queue import scala.collection.mutable. _ // Creating object object GfG { // Main method def main(args : Array[String]) { // Creating queues val q 1 = Queue( 5 , 3 , 2 , 7 , 6 , 1 ) // Print the queue println(q 1 ) // Applying init method val result = q 1 .init // Display output print( "Elements of the queue except the last one: " + result) } } |
Output:
Queue(5, 3, 2, 7, 6, 1) Elements of the queue except the last one: Queue(5, 3, 2, 7, 6)