Technique: CRC cards (Candidates, Responsibilities, Collaborators)

January 31st, 2021

 

Roles, Responsibilities, Collaborators

An object is an implementation of one or more roles;

a role is a set of relatedresponsibilities;

and a responsibility is an obligation to perform a task or know information.

A collaboration is an interaction of objects or roles (or both).

(origin: Wirfs-Brock and McKean in [Wirfs-Brock03])

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(src: Book: Growing Object Oriented Software, Guided By Tests - Steve Freeman & Nat Pryce)