Concurrenthashmap summary (medium)

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0), the obtained node is the head node of the linked list composed of nodes with the same hash value. You need to traverse backward in turn to determine the location of the newly added value. If the hash value and key value are consistent with the newly added node, you only need to update the value value. Otherwise, traverse backward in turn until the end of the linked list is inserted into this node. If the length of the linked list after adding this node is greater than 8, the linked list will be converted into a red black tree. If the type of this node is already a tree node, directly call the insertion method of the tree node to insert a new value.

2.6. 1. Helptransfer method

2.6. 2 treeifybin method

[] tab; Node e,p; int n,eh; K ek;

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