Sum of First N Natural Numbers
This program calculates sum of first N natural numbers using for loop.
Problem Statement
Write a Java program that calculates sum of first 10 natural numbers using for loop.
Source Code
| 1 | public class SumNatural { |
| 2 | public static void main(String[] args) { |
| 3 | int n = 10, sum = 0; |
| 4 | for(int i=1; i<=n; i++) { |
| 5 | sum += i; |
| 6 | } |
| 7 | System.out.println("Sum = " + sum + " - Eduinq"); |
| 8 | } |
| 9 | } |
Program Output
Sum = 55 - Eduinq
Explanation
The program uses a for loop to add numbers from 1 to 10. Each iteration adds i to sum. This demonstrates how loops can calculate sums of sequences. Shows how for loop can calculate sum of natural numbers.