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Inheritance vs Aggregations

Inheritance to separate commonality from specifics
Aggregation to show composite relationships
Example:
- Parent: UserInformation
  - Attributes:
    - name
    - IDNumber
- Child1: LecturerInformation
  - Attributes:
    - tenureStatus
- Child2: StudentInformation
  - Attributes:
    - major
  - Aggregation: to Classification
    - Multiplicity at StudentInformation: 0..*
    - Multiplicity at Classification: 1

Ananda Amatya
11/3/1999