This chapter presented the solutions for the Cancel an order use cases. It also presented a partial solution for Create new phone order. Complete the solution for the Create new phone order use case by adding view and data layer classes to the sequence diagrams. In Chapter 11 you developed architectural designs and CRC cards for two more use cases, Create order return and Record order fulfillment. Develop three-layer sequence diagrams for these two use cases. Update the design class diagram for the problem domain classes with method signatures from these use case designs. Compare this solution to what you developed in Chapter 11.
Answer to relevant QuestionsIn Chapter 7, you developed a use case diagram, a domain model class diagram, and detailed documentation for three use cases. In Chapter 11 you developed a three layer architectural solution and CRC cards. Develop ...With respect to relational databases, briefly define the terms row and field.What types of data (or fields) should never be stored more than once in a relational database? What types of data (or fields) usually must be stored more than once in a relational database?What is an association class? How is association classes used to represent many-to-many relationships in an object database?The Universal Product Code (UPC) is a bar-coded number that uniquely identifies many products sold in the United States. For example, all copies of this textbook sold in the United States have the same UPC bar code on the ...
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