ConcurrentHashMap 源码分析中的小问题~ Update ConcurrentHashMap.md #30
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
这里的4.3的源码分析有点小问题，不是反序处理那么简单。反序处理感觉不是这里的关键，只需要源码中标注一下即可。这里重要的是扩容是如何处理原数组中的链表的。 这里原链表在扩容过程被拆分为两个链表，首先提出这点我觉得对理解源码很有帮助😁，也对理解扩容为什么数组长度倍增很关键。 我同时还注意到下面的配图也很迷惑，按照配图，扩容后节点不就翻倍了？因为看起来配图上原来一个桶中的链表不仅没变，而且还多了一个拷贝。
|
OK，笔芯~ |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
这里的4.3的源码分析有点小问题，不是反序处理那么简单。反序处理感觉不是这里的关键，只需要源码中标注一下即可。
这里重要的是扩容是如何处理原数组中的链表的。 这里原链表在扩容过程被拆分为两个链表，首先提出这点我觉得对理解源码很有帮助😁，也对理解扩容为什么数组长度倍增很关键。
我同时还注意到下面的配图也很迷惑，按照配图，扩容后节点不就翻倍了？因为看起来配图上原来一个桶中的链表不仅没变，而且还多了一个拷贝。