标签:details hashcode ret share code ash map cms src
自定义类型作为键的时候一定要重写hashcode和equals方法,让他自动生成即可.不然是不能作为键的,会爆炸.
https://www.cnblogs.com/wangxilei/p/9272508.html
https://blog.csdn.net/u014514383/article/details/88796955
https://blog.csdn.net/fang0321/article/details/83857458
标签:details hashcode ret share code ash map cms src
原文地址:https://www.cnblogs.com/macht/p/11626718.html