Object Oriented Data Modeling - Study Mode

[#21] The fact that the same operation may apply to two or more classes is called what?
Correct Answer

(B) Polymorphism

[#22] The object-oriented development life cycle is which of the following?
Correct Answer

(A) Analysis, design, and implementation steps in the given order and using multiple iterations.

[#23] Multiplicity is the same as what concept for an ERD?
Correct Answer

(D) Cardinality

[#24] Composition is a stronger form of which of the following?
Correct Answer

(A) Aggregation

[#25] An abstract class is which of the following?
Correct Answer

(B) A class that has no direct instances, but whose descendants may have direct instances.