Process classes implements lower-level business abstractions - Objects Design

Q.  Which classes implements the lower-level business abstractions that required to fully manage the business domain classes?

- Published on 23 Jul 15

a. User interface classes
b. Business domain classes
c. Process classes
d. System classes

ANSWER: Process classes
 

    Discussion

  • Nirja Shah   -Posted on 16 Oct 15
    - The types of design classes are:

    User interface classes
    – It defines all abstractions necessary for human-computer interaction (usually via metaphors of real-world objects)

    Business domain classes
    – It is refined from analysis classes; identify attributes and services (methods) that are required to implement some element of the business domain

    Process classes
    – It implements business abstractions required to fully manage the business domain classes

    Persistent classes
    – It represent data stores (e.g., a database) that will persist beyond the execution of the software

    System classes
    – It implement software management and control functions that enable the system to operate and communicate within its computing environment and the outside world

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