在面向对象的系统中,世界被看成是独立对象的集合,对象之间通过“消息”相互通信。对象之间的静态关系主要有:
A.聚集(Aggregation),关联(Association),泛化(Generalization)
B.聚集(Aggregation),关联(Association),细化(Specification)
C.聚集(Aggregation),泛化(Generalization),细化(Specification)
D.关联(Association),泛化(Generalization),细化(Specification)