HW 6 Questions

HW 6 Questions - CHAPTER 7 QUESTIONS 1. Describe to a...

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CHAPTER 7 QUESTIONS 1. Describe to a businessperson the multiplicity of a relationship between two classes. Multiplicity is the number of times a class or instance of an object can be associated with another class or instance of an object. How many instances of a class. 2. Why are assumptions important to a structural model? provide validation 3. What is an association class? Many to Many relationships. A class that has its own attributes and methods. 4. Contrast the following sets of terms: (object; class; instance) (property; method; attribute) (superclass; subclass) (concrete class; abstract class). - Class is a general template used to create a specific instance or object. Objects are instances of a class. - Attributes represent properties that describe the state of an object. - A method creates the derived attributes. A method is an operation or an action that instances of a class can perform. - Superclasses contain the basic attributes and operations used in subclasses. Subclasses inherit the attributes and operations of superclasses but can also
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This note was uploaded on 02/09/2011 for the course CIT 280 taught by Professor Barlow during the Spring '08 term at Purdue.

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HW 6 Questions - CHAPTER 7 QUESTIONS 1. Describe to a...

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