Fill in the blanks so that both methods produce the same output for all inputs. 

A. isNotNull, isPresent

B. ifPresent, isPresent

C. isPresent, forEach

D. isPresent, ifPresent

E. None of the above.

private static void longer (Optional opt) { if (opt.()) System.out.println("run: " + opt.get()); } private static void shorter (Optional opt) { opt.map(x-> "run: " + x) (System.out::println); }