Object Oriented Data Modeling An abstract class is which of the following? A class that has no direct instances, but whose descendants may not have direct instances A class that has direct instances, but whose descendants may have direct instances. A class that has no direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may not have direct instances. A class that has no direct instances, but whose descendants may not have direct instances A class that has direct instances, but whose descendants may have direct instances. A class that has no direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may not have direct instances. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Each association has two or more roles. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A solid diamond represents a stronger form of aggregation, known as composition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The term Complete for a UML has the same meaning as which of the following for an EER diagram? Total specialization rule Overlapping rule Partial specialization rule Disjoint rule Total specialization rule Overlapping rule Partial specialization rule Disjoint rule ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A derived element is typically shown by placing either a slash (/) or a stereotype of <> before the name of the element. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A constructor operation does which of the following? Updates an existing instance of a class All of these Deletes and existing instance of a class Creates a new instance of a class Updates an existing instance of a class All of these Deletes and existing instance of a class Creates a new instance of a class ANSWER DOWNLOAD EXAMIANS APP
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