JavaProgrammingHacktoberFest/Recursion/SumOfNaturalNo.java at main · basukinath/JavaProgrammingHacktoberFest · GitHub

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// Print the sum of first n natural numbers.

package Recursion;

import java.util.*;

public class SumOfNaturalNo {

public static void printSum(int i, int n, int sum) {

if(i > n){

System.out.println(sum);

return;

}

sum = sum + i; // sum+=n;

printSum(i+1, n, sum);

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int i = 1;

System.out.print("Enter the value: ");

int num = sc.nextInt();

int sum = 0;

printSum(i, num, sum);

}

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