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 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 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 direct instances, but whose descendants may have direct instances. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A constructor operation does which of the following? Deletes and existing instance of a class Updates an existing instance of a class Creates a new instance of a class All of these Deletes and existing instance of a class Updates an existing instance of a class Creates a new instance of a class All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The UML notation is useful for graphically depicting an object-oriented analysis or design model. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The fact that the same operation may apply to two or more classes is called what? Encapsulation Polymorphism Multiple classification Inheritance Encapsulation Polymorphism Multiple classification Inheritance ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Composition is a stronger form of which of the following? Aggregation Inheritance Encapsulation All of these Aggregation Inheritance Encapsulation All of these 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS