# 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 program of sum()  ` `// method  ` `import` `scala.collection.immutable.``_` `// Creating object  ` `object` `GfG  ` `{  ` ` `  `    ``// Main method  ` `    ``def` `main(args``:``Array[String])  ` `    ``{  ` `     `  `        ``// Creating a list  ` `        ``val` `m``1` `=` `ListSet(``1``, ``2``, ``3``, ``4``, ``5``, ``7``)  ` `         `  `        ``// Applying sum method  ` `        ``val` `result ``=` `m``1``.sum  ` `         `  `        ``// Displays output  ` `        ``println(result)  ` `     `  `    ``}  ` `}  `

Output:

```22
```

Example 2:

 `// Scala program of sum()  ` `// method  ` `import` `scala.collection.immutable.``_` `// Creating object  ` `object` `GfG  ` `{  ` ` `  `    ``// Main method  ` `    ``def` `main(args``:``Array[String])  ` `    ``{  ` `     `  `        ``// Creating a list  ` `        ``val` `m``1` `=` `ListSet(``1``, -``2``)  ` `         `  `        ``// Applying sum method  ` `        ``val` `result ``=` `m``1``.sum  ` `         `  `        ``// Displays output  ` `        ``println(result)  ` `     `  `    ``}  ` `}  `

Output:

```-1
```

My Personal Notes arrow_drop_up

Budding Web DeveloperKeen learnerAverage CoderDancer&Social Activist

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.

Article Tags :

Be the First to upvote.

Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.