Scala Queue foreach() method with example
The foreach() method is utilized to apply a given function to all the elements of the queue.
Method Definition: def foreach[U](f: (A) => U): Unit
Return Type: It returns all the elements of the queue after applying the given function to each of them.
Example #1:
// Scala program of foreach() // 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 ) // Applying foreach method to print the queue print( "Elements in the queue: " ) q 1 .foreach(x => print(x + " " )) } } |
Output:
Elements in the queue: 1 3 2 7 6 5
Example #2:
// Scala program of foreach() // 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 foreach method q 1 .foreach(x => println(x + " times " + x + " = " + x*x)) } } |
Output:
Queue(1, 3, 2, 7, 6, 5) 1 times 1 = 1 3 times 3 = 9 2 times 2 = 4 7 times 7 = 49 6 times 6 = 36 5 times 5 = 25
Contact Us