EBK BIG JAVA: EARLY OBJECTS, INTERACTIV
EBK BIG JAVA: EARLY OBJECTS, INTERACTIV
6th Edition
ISBN: 8220102010314
Author: Horstmann
Publisher: YUZU
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Chapter 23, Problem 4RE

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Server:

  • Server is a part of client-server model.
  • Server is a computer or a device on a network, which manages other computers in the network.
  • The servers provide a resource or a service to its clients.
  • The server stores the data and application software that is accessed by end users through client computers.
  • It is a connection point for numerous clients that will handle their requests.

Client:

  • Client is a part of client-server model.
  • Usually, the client computer runs on personal computer or some workstations...

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A Personal Address Book application program allows the user to add, delete, search, save, and load contact information. The program separates the user interface (command-line) and the internal processing subsystem. The internal processing system consists of the following classes: • • Contact Manager (responsible for add and delete operations) Contact Finder (responsible for the search operation) pataManager (responsible for save and load operations) a. What design pattern can be used to implement the user interface? Explain your answer using a class diagram for the entire system. b. Draw a UML sequence diagram to show the behavioral view of the Personal Address Book program, demonstrating what happens when a user enters new contact information.
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