Scala Stack size() method with example

In Scala Stack class, the size() method is utilized to return the number of elements present in the stack.

Method Definition: def size: Int

Return Type: It returns the number of elements present in the stack.

Example #1:

// Scala program of size()
// method

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

// Creating object
object GfG
{

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

        // Creating stack
        val s1 = Stack(1, 2, 3, 4)

        // Print the stack
        println(s1)

        // Applying size method
        val result = s1.size

        // Display output
        print("Size of the stack: " + result)

    }
}

Output:

Stack(1, 2, 3, 4)
Size of the stack: 4

Example #2:

// Scala program of size()
// method

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

// Creating object
object GfG
{

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

        // Creating stack
        val s1 = Stack("a", "e", "i", "o", "u")

        // Print the stack
        println(s1)

        // Applying size method
        val result = s1.size

        // Display output
        print("Size of the stack: " + result)

    }
}

Output:

Stack(a, e, i, o, u)
Size of the stack: 5