Scala Stack filter() method with example

Scala Stack intersect() method with example

Last Updated : 03 Nov, 2019

In Scala Stack class, the intersect() method is utilized to return a new stack that consists of elements that are present in both the given stacks.

Method Definition: def intersect[B >: A](that: collection.Seq[B]): Stack[A] Return Type: It returns a new stack that consists of elements that are present in both the given stacks.

Example #1:

Scala

// Scala program of intersect() 
// method 

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

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
    
        // Creating stacks  
        val s1 = Stack(1, 3, 2, 7, 6, 5) 
        
        val s2 = Stack(1, 13, 2, 17, 6, 15)
        
        // Print the stack 
        println("Stack_1: " + s1) 
          
        println("Stack_2: " + s2)
          
        // Applying intersect method  
        val result = s1.intersect(s2) 
        
        // Display output 
        print("The elements in both the stacks: ") 
          
        result.foreach(x => print(x + " "))
        
    } 
}

Output:

Stack_1: Stack(1, 3, 2, 7, 6, 5)
Stack_2: Stack(1, 13, 2, 17, 6, 15)
The elements in both the stacks: 1 2 6

Example #2:

Scala

// Scala program of intersect() 
// method 

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

// Creating object 
object GfG 
{ 

    // Main method 
    def main(args:Array[String]) 
    { 
    
        // Creating stacks  
        val s1 = Stack(1, 3, 2, 7, 6, 5) 
        
        val s2 = Stack(11, 3, 12, 7, 16, 5)
        
        // Print the stack 
        println("Stack_1: " + s1) 
          
        println("Stack_2: " + s2)
          
        // Applying intersect method  
        val result = s1.intersect(s2) 
        
        // Display output 
        print("The elements in both the stacks: " + result) 
       
    } 
}

Output:

Stack_1: Stack(1, 3, 2, 7, 6, 5)
Stack_2: Stack(11, 3, 12, 7, 16, 5)
The elements in both the stacks: Stack(3, 7, 5)

Scala Stack filter() method with example

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