C. Unified Micro Language D. Unified Modeling Language 32. - of the following statement is true concerning objects and/or classes? (A2) A. An object is an instance of a class. B. A class is an instance of an object. C. An object includes encapsulates only data. D. A class includes encapsulates only data. 33. An abstract class is which of the following? (A2) A. A class that has direct instances, but whose descendants may have direct instances. B. A class that has no direct instances, but whose descendants may have direct instances. C. A class that has direct instances, but whose descendants may not have direct instances. D. A class that has no direct instances, but whose descendants may not have direct instances 34. Aggregation is which of the following? (A2) A. Expresses a part-of relationship and is a stronger form of an association relationship. B. Expresses a part-of relationship and is a weaker form of an association relationship. C. Expresses an is-a relationship and is a stronger form of an association relationship. D. Expresses an is-a relationship and is a weaker form of an association relationship. 35. Composition is a stronger form of which of the following? (A2) A. Aggregation B. Encapsulation C. Inheritance D. All of the above. 36.- of the following is a technique for hiding the internal implementation details of an object? (A4, B4) A. Encapsulation B. Polymorphism
C. Unified Micro Language D. Unified Modeling Language 32. - of the following statement is true concerning objects and/or classes? (A2) A. An object is an instance of a class. B. A class is an instance of an object. C. An object includes encapsulates only data. D. A class includes encapsulates only data. 33. An abstract class is which of the following? (A2) A. A class that has direct instances, but whose descendants may have direct instances. B. A class that has no direct instances, but whose descendants may have direct instances. C. A class that has direct instances, but whose descendants may not have direct instances. D. A class that has no direct instances, but whose descendants may not have direct instances 34. Aggregation is which of the following? (A2) A. Expresses a part-of relationship and is a stronger form of an association relationship. B. Expresses a part-of relationship and is a weaker form of an association relationship. C. Expresses an is-a relationship and is a stronger form of an association relationship. D. Expresses an is-a relationship and is a weaker form of an association relationship. 35. Composition is a stronger form of which of the following? (A2) A. Aggregation B. Encapsulation C. Inheritance D. All of the above. 36.- of the following is a technique for hiding the internal implementation details of an object? (A4, B4) A. Encapsulation B. Polymorphism
modelling_-_MCQ-finalversion.docx