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Explain how the associations are implemented as classes.
A general approach in this case is to transform an association class into a simple class linked to two original classes with the two new associations, as shown in Figure.
Figure: Transforming the association into a class
Develop a database broker framework to implement a persistence mechanism for the domain objects involved in the use case dealt with in Question 2. a. Specify the attribute type
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
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