Program to find sum of series 1 + 2 + 2 + 3 + 3 + 3 + . . . + n | Java Program to find sum of series 1 + 2 + 2 + 3 + . . . + n ; Function that find sum of series . ; Driver Code ; Function call
public class GfG { static int sumOfSeries ( int n ) { int sum = 0 ; for ( int i = 1 ; i <= n ; i ++ ) for ( int j = 1 ; j <= i ; j ++ ) sum = sum + i ; return sum ; } public static void main ( String s [ ] ) { int n = 10 ; System . out . println ( sumOfSeries ( n ) ) ; } }