Question

Which of these are necessary requirements for Iteration mechanism?

(a) Initialize

(b) Completion Test

(c) Information Hiding

(d) Access Current

The question was asked in an interview for internship.

Enquiry is from Collection Iterator Pattern in section Visibility, Accessibility and Information Hiding of Software Architecture

Answer 1

The correct option is (c) Information Hiding

For explanation: Iteration mechanism necessary requirements includes information hiding and multiple simultaneous iteration.