What is the difference between a class and a module?
What is the difference between a class and a module?
The straightforward answer: A module cannot be subclassed or instantiated, and modules can implement mixins.
JAD Advantages and Disadvantages
JAD Advantages and Disadvantages : Compared with traditional methods, JAD is more expensive and can be cumbersome if the group is too large relative to the size of the project. Many companies find, however, that JAD allows key users to participate effectively in the requirements modeling process. Read: What is JAD and how are users involved? What are advantages and disadvantages of JAD? When users participate in the systems development process, they are more likely to feel a sense of ownership in the results, and support for the new system. When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a stronger commitment to the success of the new system. More: RAPID APPLICATION DEVELOPMENT
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