Object Oriented Data Modeling An abstract class is which of the following? 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 no direct instances, but whose descendants may have direct instances. A class that has 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 no direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may have direct instances. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Composition does not allow an object to be part of more than one aggregate object. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Multiple inheritance allows a class to inherit features from more than one superclass. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A UML diagram includes which of the following? List of attributes Class name List of operations All of these List of attributes Class name List of operations All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A constructor operation does which of the following? Creates a new instance of a class Deletes and existing instance of a class Updates an existing instance of a class All of these Creates a new instance of a class Deletes and existing instance of a class Updates an existing instance of a class All of these ANSWER DOWNLOAD EXAMIANS APP
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