class Main {public static int factorielle(int n) {if ( n == 0 )return 1;else if ( n == 1 )return 1;else {int result = 1;int i = 0;while (i < n) {i = i + 1;result = result * i;}return result;}}public static void main(String[] arg) {System.out.println(factorielle(5));}}
