Exam 14: The Movement to Objects

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The process of letting the object-oriented system decide on the specific method when the system is running is called 'static binding'.

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An object is an attribute of an instantiation.

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What are elements of an UML Class Diagram?

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Class:Represents a kind of person,place,or thing about which the system must capture and
store information.
An attribute:Represents properties that describe the state of an object.
A method:Represents the actions or functions that a class can perform.
An association:Represents a relationship between multiple classes,or a class and itself.

The main building block of the UML class diagram is the class which _____________.

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The UML Sequence Diagrams are generally developed last in the UML approach.

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The concept that says the same message can be interpreted differently by different classes of objects is called 'encapsulation'.

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The relationship between the class (e.g. ,Student)and its superclass (e.g. ,Person)is known as the 'a-kind-of' relationship.So the class 'Student' is 'a-kind-of' 'Person'.

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As systems analysts have worked with projects and the Systems Development Life Cycle for many years,they have found that about 35% of all projects do not require analysts to model the business needs and to gather business requirements.

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According to the creators of UML,any object-oriented approach to developing information systems must be: (a)use case driven;(b)architecture centric and (c)iterative and incremental.

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RUP emphasizes iterative,incremental development and prototyping.

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What is inheritance? Give an example.

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What is polymorphism? Give an example.

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UML Use Cases are connected to actors through:

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Polymorphism is made possible through ___________________-

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Of the four fundamental UML diagrams,the Class Diagram is always created first.

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When common sets of attributes and methods are organized into superclasses (or abstract classes)(like Student)and then subclasses (like Business Student)this action is referred to as ______________.

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A(n)_________ (or object)is a specific case of a class.

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Why are use cases inherently simple?

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Encapsulation is the combining of DFDs and ERDs into a physical use-case.

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The UML Class Diagrams show what objects contain and how they are related - much like ERD diagrams in a structured design approach.

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