Array Sum Calculation
This program calculates the sum of elements in an array.
Problem Statement
Write a Java program to calculate the sum of all elements in an integer array.
Source Code
| 1 | public class ArraySum { |
| 2 | public static void main(String[] args) { |
| 3 | int[] arr = {5, 10, 15, 20, 25}; |
| 4 | int sum = 0; |
| 5 | for(int i=0; i<arr.length; i++) { |
| 6 | sum += arr[i]; |
| 7 | } |
| 8 | System.out.println("Sum of array elements: " + sum); |
| 9 | } |
| 10 | } |
Program Output
Sum of array elements: 75
Explanation
The variable sum is initialized to 0 and the for loop iterates through each element of the array adding it to sum, so the final result prints the total sum, demonstrating an aggregation operation on arrays.