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Course Queries Syllabus Queries 2 years ago
Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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The professor requests to draw a class diagram with multiplicity and relationship indicated for following scenario:
A student taking subjects borrow some textbooks as listed in subject syllabus and some reference books which are not listed in subject syllabus.
I know how to draw the association relationship between student and subject. But I am not sure whether I should generate the Book class and make two sub-classes for textbook and reference book. My justification is I think textbook and reference book use the same attribute and method. Generalization may be not necessary.
After thinking a few minutes, I may create the Book class with common attribute (title, ISBN, etc.) and create another class BookType to indicate the book type. But I think BookType can be an attribute to Book class.
As I do not have concrete idea, would anyone give some advise?
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