Question

An operation of an object obj should send messages only to which of the following entities?

(a) The object obj;

(b) The attributes of obj;

(c) The arguments of the operation;

(d) All of the mentioned

This question was addressed to me in an interview for job.

Enquiry is from Interaction Design Process And Interaction Modelling Heuristics in division Unified Modelling Language of Software Architecture

Answer 1

The correct answer is (d) All of the mentioned

To explain: Law of dementor states An operation of an object obj should send messages only to the following entities- The object obj; The attributes of obj; The arguments of the operation.