JAVA面试题——重写equals 时为什么一定要重写hashCode？

慕晨sekurlsa 发布时间：2022-09-06 23:57:34 ，浏览量：2

一般判断两个对象是否相等的时候，需要用equals结合hashCode来判断。

先来看hashCode

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JAVA面试题——重写equals 时为什么一定要重写hashCode？

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