Question

5.6 Look carefully at how messages and mailboxes are represented in the email system that you use. Model the object classes that might be used in the system implementation to represent a mailbox and an email message

Answer 1

See explaination for the details of the answer.

Step-by-step explanation:

A class is a structured diagram that describes the structure of the system.

It consists of class name, attributes, methods and responsibilities.

A mailbox and an email message has some certain attributes such as, compose, reply, draft, inbox, etc.

See attachment for the Model object classes that might be used in the system implementation to represent a mailbox and an email message.