What are the three main categories of relationships between business classes?
A: Extension
B: Association
C: Generalization
D: Aggregation
A: Extension
B: Association
C: Generalization
D: Aggregation
举一反三
- 在UML中，对象之间存在（）关系。 A: 关联（Association） B: 泛化（Generalization） C: 实现（Implementation） D: 聚集（Aggregation） E: 依赖（Dependency）
- According a research by the US Travel Association, travel has a positive effect on…?( ) A: well-being of communities B: relationships C: health D: business performance
- Business has three main components, business as ______ , business as an occupation, and business as an organization.
- What are the three main processes of supply chain management? A: Product flow B: Information flow C: Financial flow D: Business flow
- What are the main categories of seats on high-speed train? ( )