Scala Stack ++ method with example

Scala Stack ++ method with example

Last Updated : 02 Nov, 2019

In Scala, scala.collection.mutable implements Stack data structure. The ++ method gives a new stack with elements from the left hand operand followed by the elements from the right hand operand.

Method Definition - def ++[B](that: GenTraversableOnce[B]): Stack[B] Returns - A new stack which contains all elements of this stack followed by all elements of traversable.

Example #1:

SCALA

// Scala program of mutable stack ++() method 

// Import Stack 
import scala.collection.mutable._

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
        // Creating a stack 
        val q1 = Stack(1, 2, 3, 4, 5) 
        
        val q2 = Stack(11, 12, 13, 14, 15) 
        
        // Applying ++() method 
        val result = q1.++(q2) 
            
        // Display output 
        print(result) 
        
    } 
}

Output:

Stack(1, 2, 3, 4, 5, 11, 12, 13, 14, 15)

Example #2:

SCALA

// Scala program of mutable stack ++() 
// method 

// Import Stack 
import scala.collection.mutable._

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
        // Creating a stack 
        val q1 = List(1, 2, 3)
        
        val q2 = Stack("for", "geeks") 
        
        // Applying ++() method 
        val result = q1 ++ q2
            
        // Display output 
        print(result) 
        
    } 
}

Output:

List(1, 2, 3, for, geeks)

Scala Stack ++ method with example

S

Shivam_k

Improve

Article Tags :

Practice Tags :

python

Similar Reads

Scala Stack :+() method with example

In Scala, scala.collection.mutable implements Stack data structure. The :+ method is used to create a copy of this stack with an element appended. Method Definition - def :+(elem: A) Returns - a new stack consisting of all elements of this stack followed by elem. Example #1: SCALA // Scala program o

Scala Stack +:() method with example

In Scala, scala.collection.mutable implements Stack data structure. The +: method is similar to ++ method in Stack which gives a copy of the stack with an element prepended. Note that the ending operators are right associative. Method Definition - def +:(elem: A) Returns - A new stack consisting of

Scala Stack ++:() method with example

In Scala, scala.collection.mutable implements Stack data structure. The ++: method is similar to ++ method in Stack which gives a new stack with elements from the left hand operand followed by the elements from the right hand operand. But with the difference that in ++:() right operand determines th

Scala Stack sum() method with example

In Scala Stack class, the sum() method is utilized to return the sum of all the elements of the stack. Method Definition: def sum: A Return Type: It returns the sum of all the elements of the stack. Example #1: Scala // Scala program of sum() // method // Import Stack import scala.collection.mutable

Scala Set ++() method with example

The ++() method is utilized to add elements of one set to another set. Method Definition: def ++(elems: A): Set[A] Return Type: It returns a new set containing elements of both the sets. Example #1: Scala // Scala program of ++() // method // Creating object object GfG { // Main method def main(args

Scala Set +() method with example

The +() method is utilized to create a new set with an additional element unless the element is already present. Method Definition: def +(elem: A): Set[A] Return Type: It returns a new set with an additional element unless the element is already present. Example #1: Scala // Scala program of +() //

Scala Set -() method with example

The -() method is utilized to creates a new set with a given element removed from the set. Method Definition: def -(elem: A): Set[A] Return Type: It returns a new set with a given element removed from the set. Example #1: Scala // Scala program of -() // method // Creating object object GfG { // Mai

Scala Stack foreach() method with example

In Scala Stack class, the foreach() method is utilized to apply a given function to all the elements of the stack. Method Definition: def foreach[U](f: (A) => U): Unit Return Type: It returns all the elements of the stack after applying the given function to each of them. Example #1: Scala // Sca

Scala TreeSet +() method with example

In Scala TreeSet class, the +() method is utilized to add an element to the TreeSet unless it is already present. Method Definition: def +(elem: A): TreeSet[A] Return Type: It returns a new TreeSet with an additional element unless the element is already present. Example #1: Scala // Scala program o

Scala Set sum() method with example

The sum() method is utilized to find the sum of all the elements of the set. Method Definition: def sum: A Return Type: It returns the sum of all the elements of the set. Example #1: Scala // Scala program of sum() // method // Creating object object GfG { // Main method def main(args:Array[String])