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Asked: 2026-05-25T06:04:32+00:00

Is it necessary to override equals and hashcode methods in DTO’s? Because DTO’s are

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Is it necessary to override equals and hashcode methods in DTO’s? Because DTO’s are just use for transfer data. Is there any best practice or something regarding this?

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  1. Editorial Team

    This article offers one piece of advice:

    Objects placed in a List , Set, or Map (as either a key or value) should have an appropriate definition of equals.

    Surely DTOs are used for more than just transfer, we do keep them, sort them, cache them …

    In practice do folks provide equals and hash? No not always. Should we? I think so.

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