Scala Stack mkString() method with example

In Scala Stack class, the mkString() method is utilized to display all elements of the stack in a string.

Method Definition: def mkString: String

Return Type: It returns a string containing all the element of the stack.

Example #1:

// Scala program of mkString()
// 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 mkString method
        val result = s1.mkString

        // Display output
        print("Stack: " + result)

    }
}

Output:

Stack(1, 2, 3, 4)
Stack: 1234

Example #2:

// Scala program of mkString()
// method

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

// Creating object
object GfG
{

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

        // Creating stack
        val s1 = Stack("Geeks", "for", "Geeks")

        // Print the stack
        println(s1)

        // Applying mkString method
        val result = s1.mkString

        // Display output
        print("Stack: " + result)

    }
}

Output:

Stack(Geeks, for, Geeks)
Stack: GeeksforGeeks