根据下面的代码,判断下面那些叙述是正确的? public class HouseKeeper{ private TimeCard timecard; public void clockIn(){ timecard.punch(); } }A.类HouseKeeper和类TimeCard之间存在关联(Association)关系B.类HouseKeeper和类TimeCard之间存在泛化(Generalization)关系C.类HouseKeeper和类TimeCard之间存在实现(Realization)关系D.类HouseKeeper和类TimeCard之间存在包含(Inclusion)关系
根据下面的代码,判断下面那些叙述是正确的? public class HouseKeeper{ private TimeCard timecard; public void clockIn(){ timecard.punch(); } }
A.类HouseKeeper和类TimeCard之间存在关联(Association)关系
B.类HouseKeeper和类TimeCard之间存在泛化(Generalization)关系
C.类HouseKeeper和类TimeCard之间存在实现(Realization)关系
D.类HouseKeeper和类TimeCard之间存在包含(Inclusion)关系
参考答案和解析
PYHON
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