# 为什么重写equals方法，一定要重写hashcode方法？

[![image-1655085071947.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655085071947.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655085071947.png)