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 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 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 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 not have direct instances 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 All of these Updates an existing instance of a class Creates a new instance of a class Deletes and existing instance of a class All of these Updates an existing instance of a class ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling An operation that alters the state of an object is known as a constructor operation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A method defines the form or protocol of the operation, but not its implementation. True False True False 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
Object Oriented Data Modeling Composition is a stronger form of which of the following? Inheritance Aggregation Encapsulation All of these Inheritance Aggregation Encapsulation All of these ANSWER DOWNLOAD EXAMIANS APP
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