> 原文:[https://www . geesforgeks . org/field position-hashcode-method-in-Java-with-example/](https://www.geeksforgeeks.org/fieldposition-hashcode-method-in-java ...

For example, EqualsVerifier can check the reflexivity, symmetry, transitivity, and consistency of your equals method, as well as the contract between equals and hashCode, with a single line of ...

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Every Object in Java includes an equals() and a hashcode() method, but they must be overridden to work properly. To understand how overriding works with equals() and hashcode() , we can study ...

Now, that gets very, very interesting because it, uh, requires a bit of knowledge of the hashCode method, and it also requires a little bit of knowledge of the equals method. And by the way, just to ...