Sum of first N natural Numbers Java programming code

 import java.util.Scanner;

// Sum of first N natural Numbers , Naymul Islam CSE 18

public class sumofN {

    public static void main(String args[]) {

        System.out.print("Enter Natural Number: ");

        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();

        int sum = 0;

        int i = 1;

        while (i <= n) {

            sum += i;

            i++;

        }

        // System.out.println(sum);

        System.out.println("Sum of first " + n + " natural Numbers: " + sum);

    }

}

import java.util.Scanner;

// Sum of first N natural Numbers

public class sumofN {

    public static void main(String args[]) {

        System.out.print("Enter Natural Number: ");

        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();

        int sum = 0;

        int i = 1;

        while (i <= n) {

            sum += i;

            i++;

        }

        // System.out.println(sum);

        System.out.println("Sum of first " + n + " natural Numbers: " + sum);

    }

}