sum of first 'n' natural numbers

 package code.mypack;

import java.util.Scanner;

public class src {

public static void main(String[] args) {

    System.out.println("Enter n: ");

 Scanner sc= new Scanner(System.in);

int n=sc.nextInt();

int sum=0;

for(int i=0;i<=n;i++){

    sum=sum+i;

}

        System.out.println(sum);

}

}