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Home/ Questions/Q 6743767
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T12:00:05+00:00 2026-05-26T12:00:05+00:00

I need to compare two objects in Java, but they contain a lot of

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I need to compare two objects in Java, but they contain a lot of members, some not visible, and I don’t have access to the source code – they’re objects from a third-party package.

I need to find out what are the differences between them. Something like comparing chunks of memory in C++. But I don’t know how to do it in Java.

Any help?

EDIT: Some further info: I am doing some operations on two objects – on one the ops succeed, on the other they fail. However I can’t tell what’s different, that’s why I need this comparison. I can’t seem to get reflection to work, member not visible exception or smth like that on private members.

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-26T12:00:06+00:00Added an answer on May 26, 2026 at 12:00 pm

    Take a look at this question Is there a Java reflection utility to do a deep comparison of two objects?

    Unitils might help in your case

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