Scala ListSet sum() method with example

In Scala ListSet, sum() method is utilized to add all the elements of the stated listSet.

Method Definition: def sum(num: math.Numeric[B]): B Return Type: It returns the sum of all the elements of the listSet.

Example 1:

Scala

// Scala program of sum()
// method
import scala.collection.immutable._
// Creating object
object GfG
{

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

        // Creating a listset
        val m1 = ListSet(1, 2, 3, 4, 5, 7)

        // Applying sum method
        val result = m1.sum

        // Displays output
        println(result)

    }
}

Output:

22

Example 2:

Scala

// Scala program of sum()
// method
import scala.collection.immutable._
// Creating object
object GfG
{

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

        // Creating a listset
        val m1 = ListSet(1, -2)

        // Applying sum method
        val result = m1.sum

        // Displays output
        println(result)

    }
}

Output:

-1