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. 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 Inheritance Polymorphism Multiple classification Encapsulation Inheritance Polymorphism Multiple classification 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 Which of the following is a technique for hiding the internal implementation details of an object? All of these Inheritance Polymorphism Encapsulation All of these Inheritance Polymorphism Encapsulation ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The benefits of object-oriented modeling are which of the following? Reusability of analysis, design, and programming results Improved communication between users, analysts, etc. The ability to tackle more challenging problems All of these Reusability of analysis, design, and programming results Improved communication between users, analysts, etc. The ability to tackle more challenging problems All of these ANSWER DOWNLOAD EXAMIANS APP
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