Adobe Exam AD0-E717 Topic 8 Question 54 Discussion

Actual exam question for Adobe's AD0-E717 exam

Question #: 54
Topic #: 8

A developer found a bug inside a private method of a third party module class. How can the developer override the method?

ACreate a custom class with corrected logic, and define the class as preference in the preferences.xml.

BCreate a custom class with the corrected logic, and define the class as a preference for original one in the di xml.

CCreate a plugin, implement correct logic in the after' method, and then define the plugin in the di.xml.

Show Suggested Answer

Suggested Answer: B

To override a private method in a third-party module class, the most effective approach is to use a preference. This involves creating a custom class with the corrected logic and then defining this class as a preference for the original one in the di.xml file. Plugins cannot be used to override private methods, final methods, final classes, or classes created without dependency injection. Therefore, the preference mechanism, which allows for the substitution of the entire class, becomes the viable method to override a private method and modify its behavior.

by Cordelia at Oct 28, 2025, 06:17 PM

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Melynda

3 hours ago

I think the key here is to create a custom class with the corrected logic. From there, it seems like defining it as a preference in either the preferences.xml or the di.xml file would work. I'll need to double-check the specifics, but that's the general strategy I'm leaning towards.

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Brittni

6 days ago

Option C sounds interesting, but I'm not sure I fully understand how to implement the "after" method in a plugin. I'll need to do some research on that approach.

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Annice

11 days ago

Hmm, I'm a bit confused on the best way to approach this. Should I be looking at the preferences.xml or the di.xml file? I'm not sure which one would be the right place to define the custom class.

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Christoper

17 days ago

I think option B is the way to go here. Overriding the private method directly in the third party module seems like the most straightforward approach.

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