In this example, you’ll learn how to calculate the sum of natural numbers using for loop.

**Java Code:** Write a java program to calculate the sum of natural numbers

1 2 3 4 5 6 7 8 9 10 11 12 13 |
public static void main(String[] args) { int num = 100, sum = 0; for(int i = 1; i <= num; ++i) { // sum = sum + i; sum += i; } System.out.println("Sum = " + sum); } |

**Output:**

## Add comment