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Asked: 2026-05-22T20:55:31+00:00

I have a common library where I’ve put classes that are used between multiple

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I have a common library where I’ve put classes that are used between multiple Android projects. However, now I encountered a situation where I have to make minor changes to the functionality of the class in one project. How should I organize the classes, keeping in mind easy readability of code and future extension possibilities?

Should I

  1. Extend the class (MyClass) with modifications that are special to the subproject (MyClassSub extends MyClass)? What about if I have references to MyClass in the library classes, but in this special subproject MyClassSub should be called?
  2. Have switch OR if clauses for each special part in the class file? And then pass some variable to the class?
  3. Some other option?

This is probably a trivial question, but I am quite new to java and can’t quite figure it out.

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1 Answer

  1. Editorial Team

    Definately 1.

    Create a library (jar) containing the base class, and then use that jar in the projects that need its base functionality. Each project should provide the specialized class that extends the base.

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