How to override equals() and hashCode() method in Java

if you override equals, you must override hashCode. hashCode must generate equal values for equal objects. equals and hashCode must depend on the same set of significant fields . You must use the same set of fields in both of these methods .31 Ara 2021

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You can override the equals method on a record, if you want a behavior other than the default . But if you do override equals , be sure to override hashCode for consistent logic, as you would for a conventional Java class.18 Kas 2011

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