crossoverJie / crossoverJie/JCSprout
hashmap源码博客的put方法描述
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enhancement
- Dominant language
- Java
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Description
hashmap源码put方法里面的第二步判断
如果 key 为空，则 put 一个空值进去。
换成描述：
HashMap 使用第 0 个桶存放键为 null 的键值对
会不会好一点呢
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