Object Oriented Data Modeling An abstract class is which of the following? A class that has no direct instances, but whose descendants may 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 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 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 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 Which of the following applies to a class rather than an object? Scope Update Constructor Query Scope Update Constructor Query ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A constructor operation does which of the following? Updates an existing instance of a class Deletes and existing instance of a class Creates a new instance of a class All of these Updates an existing instance of a class Deletes and existing instance of a class Creates a new instance of a class All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling In UML, a class is represented by a rectangle with three compartments separated by vertical lines. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP