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Author Question: How do business classes differ from utility classes? Provide one example for each. What will be ... (Read 135 times)

FButt

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on: Jul 7, 2018
How do business classes differ from utility classes? Provide one example for each.
 
  What will be an ideal response?

Question 2

Structural modeling is needed to support a system's ________.
 
  A) structure
  B) behavior
  C) expansion
  D) boundary


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milbourne11

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Reply #1 on: Jul 7, 2018
Answer to Question 1

Business classes are those that have a counterpart in the real world: tree, student, contract, office, poet, shirt, patient, etc. The discovery of business classes and their relationships is the main task of analysis. Utility classes are those that lack a direct counterpart in the real world and are used to create objects that manage the responsibilities of the information system: to interact with the outside world, to make communication among business objects possible, and to save information when required. Command buttons, menus, and dropdown lists are a few such classes. Discovery and definition of utility classes and their relationships is the task of design.

Answer to Question 2

B


FButt

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Reply 2 on: Jul 7, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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