Class-Responsibility-Collaboration Card (CRC Card) is a powerful tool used by software developers and designers to design and develop complex software systems. The CRC card technique involves the use of a three-part card, with each part representing a particular aspect of the class, such as its responsibilities, collaborations, and behavior. The cards are used to visualize and explore the relationships and dependencies between the classes and to focus on the individual class’s responsibilities rather than on its implementation details. The CRC card technique is an essential part of the object-oriented design process, as it helps developers and designers to break down complex problems into manageable tasks, making it easier to develop large and complex software systems. The CRC card technique is also useful in identifying potential problems and areas of code that can be improved, leading to a more efficient and robust design. One of the key benefits of using CRC cards is that they provide a concise and understandable way to communicate the design to other members of the team. By using the cards, developers and designers can easily share their ideas and collaborate on the design of the software system. This collaboration helps to ensure that the system is designed to meet the needs of the end-users and that it is efficient, robust, and easy to maintain. Overall, the CRC card technique is an essential tool for software developers and designers who want to design and develop complex software systems. By using CRC cards, developers and designers can break down complex problems into manageable tasks, identify potential problems, and collaborate on the design of the software system. This leads to a more efficient, robust, and user-friendly software system that meets the needs of the end-users.
CRC card, object-oriented design, software development, collaboration, responsibilities
Class-Responsibility-Collaboration cards (CRC cards) are used as a way to help with the design of object-oriented software systems by assigning responsibilities to objects. CRC cards consist of three parts: class name, responsibility, and collaborations. The class name describes what kind of objects the card represents. The responsibility section includes the responsibilities of the object, such as what it should do and what it should not do. The collaborations section includes the objects with which it interacts, such as other objects and services. CRC cards can help designers to better understand the overall structure of a system and identify potential problems. They can also help to identify areas of code that can be improved, leading to a more efficient and robust design. In addition, CRC cards can help to communicate the design to other members of the team in a concise, understandable manner.
Object-Oriented, Design, Modelling, Responsibility.
CITATION : "Ji-Soo Park. 'Class-Responsibility-Collaboration Card.' Design+Encyclopedia. https://design-encyclopedia.com/?E=191114 (Accessed on June 26, 2025)"
Class-Responsibility-Collaboration Card (CRC Card) is an object-oriented design technique used to identify the responsibilities of a class in a software program. It is a simple tool that helps software developers and designers break down complex problems into manageable tasks, thus making it easier to develop large and complex software systems. The technique is comprised of a three-part card, with each part representing a particular aspect of the class, such as its responsibilities, collaborations and behavior. The card is used to quickly visualize and explore the relationships and dependencies between the classes and to focus on the individual class’s responsibilities rather than on its implementation details.
CRC Card, Object-Oriented Design, Software Design, Collaboration, Responsibilities
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