Scala Stack pop() method with example

In Scala Stack class, the pop() method is utilized to remove and return the element at the top of the stack.

Method Definition: def pop(): A

Return Type: It removes and returns the element at the top of the stack.

Example #1:

// Scala program of pop()
// method

import scala.collection.mutable.Stack

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a stack
        var s = Stack("C++", "Java", "Python", "Scala")

        // Print the stack
        println(s)

        // Print the top of the stack
        println("Top of the stack: " + s.top)

        // Applying pop method
        val result = s.pop

        // Print the popped element
        println("Popped element: " + result)

    }
}

Output:

Stack(C++, Java, Python, Scala)
Top of the stack: C++
Popped element: C++

Example #2:

// Scala program of pop()
// method

import scala.collection.mutable.Stack

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a stack
        var s = Stack(1, 2, 3, 4)

        // Print the stack
        println(s)

        // Print the top of the stack
        println("Top of the stack: " + s.top)

        // Applying pop method
        val result = s.pop

        // Print the popped element
        println("Popped element: " + result)

    }
}

Output:

Stack(1, 2, 3, 4)
Top of the stack: 1
Popped element: 1