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Questions and Answers

What is an association class in the context of modelling?

Only an association with two base classes

Neither a class nor an association, but a separate entity

Only a class with attributes and operations

Both an association and a class with attributes and operations (correct)

What happens when an association class is added to a model?

It removes the need for attributes and operations

It has no effect on the model's complexity

It complicates the model by adding more symbols (correct)

It simplifies the model by removing unnecessary symbols

How can a product offer be modelled alternatively?

Either as a conventional class or as an association class (correct)

Only as a conventional class

Neither as a conventional class nor as an association class

Only as an association class

What is the semantic difference between modelling something as an association class and as a conventional class?

The association class is dependent on the base classes, while the conventional class is not Signup and view all the answers

What happens to a reservation link if the customer changes?

The reservation link is deleted and recreated Signup and view all the answers

What is the dependence of a reservation object when modelled as an association class?

It is dependent on the customer and the room Signup and view all the answers

What is the difference between an association class and a conventional class in terms of existence dependence?

An association class implies existence dependence, while a conventional class does not Signup and view all the answers

Can a reservation link be reconnected to another room or another customer?

No, it implies deleting the link and creating a new one Signup and view all the answers

What is the implication of changing the room in a reservation modelled as an association class?

The reservation link is deleted and recreated Signup and view all the answers

How does modelling something as an association class affect the model's semantics?

It changes the existence dependence of the objects Signup and view all the answers