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A comment on Building an interface (even if there's only one implementation) is always right. Parent comment

Re:Building an interface (even if there's only one implement... by Yhippa on Wednesday May 25, 2022 @10:44PM (#31513747)
I read that and it seems conceptually similar to the intent of Java interfaces FWIW.
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Re:Building an interface (even if there's only one implement... by durazabu on Wednesday May 25, 2022 @10:51PM (#31513805)
I mean using Java interfaces for backing services, as opposed to using Java interfaces for every Java classes.
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