Program to find sum of first n natural numbers | JAVA program to find sum of first n natural numbers . ; Returns sum of first n natural numbers ; Driver code
import java . io . * ; class GFG { static int findSum ( int n ) { int sum = 0 ; for ( int x = 1 ; x <= n ; x ++ ) sum = sum + x ; return sum ; } public static void main ( String args [ ] ) { int n = 5 ; System . out . println ( findSum ( n ) ) ; } }