How To Find The Sum Of Elements Of An Array In Scala

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Overview

We use the while loop to obtain the sum of elements of an array in Scala. The logic is to create an initial sum variable which will be zero. Then in the loop, we will increase this sum with each array element.

Syntax

while(condition){ // loop body}Syntax for a while loop

Parameters

condition: This is a conditional statement. If it returns true, the code body will execute. Otherwise, the code body will not execute.

Example

object Sample { def main(args: Array[String]) { // create an array var OurArray = Array(10,20,30,40,50) // create a counter var counter = 0; // create default sum var sum = 0; // create a while loop while(counter<OurArray.size) // check if counter is less than array size { // add element value to sum sum = sum + OurArray(counter) counter = counter + 1 } // print sum of array elements printf("Sum of array elements is: %d\n",sum) }} Run

Explanation

  • Create an array and two integer variables to hold the sum and counter for every loop.
  • Then add the value of array elements to the variable, after accessing and adding all elements to the variable sum. Print the value of the variable on the console screen.

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