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Adobe AD0-E722 Exam - Topic 1 Question 1 Discussion

An Adobe Commerce Architect runs the PHP Mess Detector from the command-line interface using the coding standard provided with Adobe Commerce. The following output appears:The Architect looks at the class and notices that the constructor has 15 parameters. Five of these parameters are scalars configuring the behavior of MyService. The class also contains three constants referencing one other class.How should the Architect fix the code so that it complies with the coding standard rule?
C) Introduce a new class accepting those five scalars and use it in the constructor and the remaining logic of MyService.
A) Modify the code of MyService so that the number of different classes and interfaces referenced anywhere inside the class is fewer than 13.
B) Consolidate the constants referencing other classes into a string representation.

Adobe AD0-E722 Exam - Topic 1 Question 1 Discussion

Actual exam question for Adobe's AD0-E722 exam
Question #: 1
Topic #: 1
[All AD0-E722 Questions]

An Adobe Commerce Architect runs the PHP Mess Detector from the command-line interface using the coding standard provided with Adobe Commerce. The following output appears:

The Architect looks at the class and notices that the constructor has 15 parameters. Five of these parameters are scalars configuring the behavior of MyService. The class also contains three constants referencing one other class.

How should the Architect fix the code so that it complies with the coding standard rule?

Show Suggested Answer Hide Answer
Suggested Answer: C

The issue is being caused by the high coupling between objects (CBO) value of the class MyService.CBO is a metric that measures the number of classes that are coupled to a given class, either by method calls, property or parameter references, inheritance, or constants1.A high CBO value indicates that the class is too tightly coupled with other classes, which makes it more difficult to maintain, test, and reuse2. To reduce the CBO value, the Architect should introduce a new class that encapsulates the five scalar parameters that configure the behavior of MyService. This way, the constructor of MyService will only have one parameter of the new class type, instead of five scalar parameters. This will also make the code more readable and maintainable, as the new class can provide methods to access and manipulate the configuration data.The constants referencing other classes should not be consolidated into a string representation, as this would not reduce the CBO value and would make the code less clear and type-safe3.The number of different classes and interfaces referenced anywhere inside the class is not relevant for the CBO metric, as it only counts the classes that are coupled to the given class1.Reference:CBO coupling between object,Coupling Between Object classes (CBO),Cohesion and coupling of an object in OO programming


by Celeste at Nov 23, 2023, 12:11 PM

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Pamella
8 months ago
Wait, are we really supposed to have that many parameters? Seems excessive!
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Janna
8 months ago
Definitely not A, that seems like overkill.
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Malcom
8 months ago
Consolidating constants into strings? That sounds odd.
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Glenn
9 months ago
I think option C makes the most sense here.
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Luisa
9 months ago
15 parameters is way too many for a constructor!
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Cletus
9 months ago
I recall that consolidating constants into a string might not be the best practice. It could lose type safety, right?
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Alpha
9 months ago
I'm not entirely sure, but modifying the number of classes referenced seems a bit off. It feels like it could lead to more complexity.
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Tiffiny
10 months ago
I think I saw a similar question about reducing constructor parameters in our practice tests. Introducing a new class sounds like a solid solution.
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Dean
10 months ago
I remember discussing how having too many parameters can make a constructor hard to manage. Maybe consolidating them is the right approach?
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Raina
10 months ago
I'm feeling pretty confident about this one. Consolidating the constants into a string representation seems like a straightforward way to address the issue.
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Rolande
10 months ago
I'm a bit confused by the question. Is the goal to just reduce the number of classes and interfaces referenced, or is there something more specific we need to do?
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Rana
10 months ago
Okay, 15 parameters in the constructor? That's a lot. I think the key here is to try to reduce the complexity and dependencies in the class.
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Herschel
10 months ago
Hmm, this looks like a tricky one. I'll need to carefully analyze the code and the coding standard to figure out the best approach.
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Colby
10 months ago
Based on the coding standard rule, I think the best solution is to introduce a new class to handle those 5 scalar parameters. That should help simplify the constructor and make the code more maintainable.
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Adelle
10 months ago
This looks like a straightforward networking question. I'll focus on the key details - the technician is trying to access the Avaya Aura Media Server (AAMS) web page, and the incorrect URL was being used. I'll carefully review the answer options and think about the typical ports and protocols used for web access.
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Arlyne
10 months ago
This question seems straightforward. I'll focus on options that directly enhance security for management access to the AP.
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Olen
10 months ago
Hmm, I'm a bit unsure about this one. There seem to be a few different options presented, and I'm not entirely familiar with the specifics of HPE OneView. I'll need to review the deployment models more closely to determine the best approach.
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