Scala List sum() method with example

The sum() method is utilized to add all the elements of the stated list.

Method Definition: def sum(num: math.Numeric[B]): B

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



Example #1:

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// Scala program of sum()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5, 7)
          
        // Applying sum method
        val result = m1.sum
          
        // Displays output
        println(result)
      
    }
}

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Output:

22

Example #2:

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// Scala program of sum()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 0)
          
        // Applying sum method
        val result = m1.sum
          
        // Displays output
        println(result)
      
    }
}

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Output:

1


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