Programming and Problem Solving With C++
6th Edition
ISBN: 9781449694265
Author: Nell Dale
Publisher: Jones & Bartlett Learning
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Chapter 4, Problem 1PWE
Program Plan Intro
To input the three integers- int1, int2, and int3 in this order
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You are given a class that processes purchases for an online store. The class receives calls to:
•
Retrieve the prices for items from a database
• Record the sold items
•
Update the database
•
Refresh the webpage
a. What architectural pattern is suitable for this scenario? Illustrate your answer by drawing a
model for the solution, showing the method calls/events.
b. Comment on how applying this pattern will impact the modifiability of the system.
c. Draw a sequence diagram for the update operation.
Chapter 4 Solutions
Programming and Problem Solving With C++
Ch. 4 - Prob. 1PSCSCh. 4 - Prob. 1EPECh. 4 - Prob. 2EPECh. 4 - Prob. 3EPECh. 4 - Prob. 4EPECh. 4 - Prob. 5EPECh. 4 - Prob. 6EPECh. 4 - Prob. 7EPECh. 4 - Prob. 8EPECh. 4 - Prob. 9EPE
Ch. 4 - Prob. 10EPECh. 4 - Prob. 11EPECh. 4 - Prob. 12EPECh. 4 - Prob. 13EPECh. 4 - Prob. 14EPECh. 4 - Prob. 15EPECh. 4 - Prob. 16EPECh. 4 - Prob. 17EPECh. 4 - Prob. 18EPECh. 4 - Prob. 19EPECh. 4 - Prob. 20EPECh. 4 - Prob. 21EPECh. 4 - Prob. 22EPECh. 4 - Prob. 1PWECh. 4 - Prob. 2PWECh. 4 - Prob. 3PWECh. 4 - Prob. 4PWECh. 4 - Prob. 5PWECh. 4 - Prob. 6PWECh. 4 - Prob. 7PWECh. 4 - Prob. 8PWECh. 4 - Prob. 9PWECh. 4 - Prob. 10PWECh. 4 - Prob. 11PWECh. 4 - Prob. 12PWECh. 4 - Prob. 13PWECh. 4 - Prob. 14PWECh. 4 - Prob. 1PPCh. 4 - Prob. 2PPCh. 4 - Prob. 3PPCh. 4 - Prob. 4PPCh. 4 - Prob. 5PPCh. 4 - Prob. 6PPCh. 4 - Prob. 7PPCh. 4 - Prob. 1CSFCh. 4 - Prob. 2CSFCh. 4 - Prob. 3CSFCh. 4 - Prob. 4CSFCh. 4 - Prob. 5CSF
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