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Snailclimb merged 1 commit into from
Aug 1, 2023
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update hashmap-source-code.md #2105

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3 changes: 2 additions & 1 deletion docs/java/collection/hashmap-source-code.md
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Original file line number Diff line number Diff line change
Expand Up @@ -453,7 +453,8 @@ final Node<K,V>[] resize() {
// 只有一个节点，直接计算元素新的位置即可
newTab[e.hash & (newCap - 1)] = e;
else if (e instanceof TreeNode)
// 将红黑树拆分成2棵子树，拆分后的子树节点数小于等于6，则将树转化成链表
// 将红黑树拆分成2棵子树，如果子树节点数小于等于 UNTREEIFY_THRESHOLD（默认为 6），则将子树转换为链表。
// 如果子树节点数大于 UNTREEIFY_THRESHOLD，则保持子树的树结构。
((TreeNode<K,V>)e).split(this, newTab, j, oldCap);
else {
Node<K,V> loHead = null, loTail = null;
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