Object Oriented Data Modeling An abstract class is which of the following? A class that has 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 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 no direct instances, but whose descendants may not 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. 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 Which of the following is a technique for hiding the internal implementation details of an object? Encapsulation Polymorphism Inheritance All of these Encapsulation Polymorphism Inheritance All of these 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 Disjoint rule Partial specialization rule Total specialization rule Overlapping rule Disjoint rule Partial specialization rule ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling An object can have which of the following multiplicities? All of these One Zero More than one All of these One Zero More than one ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Aggregation is which of the following? Expresses an is-a relationship and is a weaker form of an association relationship. Expresses a part-of relationship and is a stronger form of an association relationship. Expresses a part-of relationship and is a weaker form of an association relationship. Expresses an is-a relationship and is a stronger form of an association relationship. Expresses an is-a relationship and is a weaker form of an association relationship. Expresses a part-of relationship and is a stronger form of an association relationship. Expresses a part-of relationship and is a weaker form of an association relationship. Expresses an is-a relationship and is a stronger form of an association relationship. ANSWER DOWNLOAD EXAMIANS APP