(int n)
| 3 | { |
| 4 | |
| 5 | static int sum(int n) |
| 6 | { |
| 7 | if(n==1) // base condition; |
| 8 | return 1; |
| 9 | |
| 10 | int recResult = sum(n-1); |
| 11 | int smallCal = n+recResult; |
| 12 | |
| 13 | return smallCal; |
| 14 | |
| 15 | |
| 16 | //return (n == 1 ) ? 1 : n + sum(n - 1); //--One liner using ternary operator. |
| 17 | } |
| 18 | |
| 19 | // Driver Code |
| 20 | public static void main(String args[]) |