This class diagram represents a Course Registration System with entities such as Course, Student, Instructor, Registration, Department, and Grade. Courses are abstract entities with attributes like CourseID, CourseName, and CourseDescription, along with methods to AddCourse() and RemoveCourse(). Students register for courses and can also drop courses. Instructors assign courses to students and can unassign them as needed. Registrations facilitate the process of students registering and unregistering for courses. Departments manage courses, adding and removing them from their curriculum. Grades are assigned to students, linking students to their performance in courses. The relationships depict connections between entities, such as students being associated with courses through registrations, and instructors being linked to courses they teach.
Course registration system diagram code in Gleek
Course:abstract
+CourseID
+CourseName
+CourseDescription
+AddCourse()
+RemoveCourse()
Student
+StudentID
+StudentName
+RegisterCourse()
+DropCourse()
Instructor
+InstructorID
+InstructorName
+AssignCourse()
+UnassignCourse()
Registration:service
+RegistrationID
+Register()
+Unregister()
Department
+DepartmentID
+DepartmentName
+AddCourse()
+RemoveCourse()
Grade
+GradeID
+GradeValue
+AssignGrade()
Course{1..}--{1..} Student
Student {1}--{1..*} Registration
Registration -.-> Course
Instructor {1}--{1..*} Department
Department {1}--{1..*} Course
Grade -.-> Student
Instructor -.-> Course
Student {1}--{1..*} Grade
About class diagrams
Class diagrams are used in software engineering to describe the structure of a system. A class diagram uses Unified Modeling Language (UML) to show the classes, attributes, methods (or operations), and their relationships to each other in the system. Class diagrams prove valuable in object-oriented modeling. Class diagrams can be used to model the data structure or to design a system in detail.
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