Scala Stack init() method with example

In Scala Stack class, the init() method is utilized to return a new stack that consists of all the elements except the last one.

Method Definition: def init: Stack[A]

Return Type: It returns a new stack that consists of all the elements except the last one.

Example #1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Scala program of init() 
// method 
  
// Import Stack 
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating stack
        val s1 = Stack(1, 3, 2, 7, 6, 5
          
        // Print the stack 
        println(s1
           
        // Applying init method  
        val result = s1.init 
          
        // Display output 
        print("Elements of the queue except the last one: " + result) 
         
    

chevron_right


Output:

Stack(1, 3, 2, 7, 6, 5)
Elements of the queue except the last one: Stack(1, 3, 2, 7, 6)

Example #2:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Scala program of init() 
// method 
  
// Import Stack 
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating stack
        val s1 = Stack(5, 3, 2, 7, 6, 1
          
        // Print the stack 
        println(s1
           
        // Applying init method  
        val result = s1.init 
          
        // Display output 
        print("Elements of the queue except the last one: " + result) 
         
    

chevron_right


Output:

Stack(5, 3, 2, 7, 6, 1)
Elements of the queue except the last one: Stack(5, 3, 2, 7, 6)



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.