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Scala Mutable SortedSet sum() method
• Last Updated : 26 Mar, 2020

In Scala mutable collections, sum() method is utilized to find the sum of all the elements of the SortedSet.

Method Definition: def sum: A

Return Type: It returns the sum of all the elements of the SortedSet.

Example #1:

 `// Scala program of sum() ``// method ``import` `scala.collection.mutable.SortedSet  `` ` ` ` `// Creating object ``object` `GfG ``{ `` ` `    ``// Main method ``    ``def` `main(args``:``Array[String]) ``    ``{ ``        ``// Creating a SortedSet ``        ``val` `s``1` `=` `SortedSet(``40``, ``10``, ``2``, ``3``) ``         ` `        ``// Applying sum method ``        ``val` `result ``=` `s``1``.sum``         ` `        ``// Display output``        ``println(result)``    ``} ``} `
Output:

```55
```

Example #2:

 `// Scala program of sum() ``// method ``import` `scala.collection.mutable.SortedSet  `` ` ` ` `// Creating object ``object` `GfG ``{ `` ` `    ``// Main method ``    ``def` `main(args``:``Array[String]) ``    ``{ ``        ``// Creating a SortedSet ``        ``val` `s``1` `=` `SortedSet(``2``, ``6``, ``5``, ``8``) ``         ` `        ``// Applying sum method ``        ``val` `result ``=` `s``1``.sum``         ` `        ``// Display output``        ``println(result)``    ``} ``} `
Output:
```21
```

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