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This article mainly introduces the relevant knowledge of HashMap red-black tree case analysis, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this HashMap red-black tree case analysis article. Let's take a look at it.

After HashMap 1.8, the underlying data structure changes from array + linked list to array + linked list + red-black tree and node TreeNode of red-black tree.

TreeNode parent; / / red-black tree links TreeNode left; left node TreeNode right; right node TreeNode prev; parent node / / whether the color is red

The characteristics of red and black trees:

The node is red or black

The root node must be black

The leaf node Null is black

If a node is red, its child nodes must be black

The number of black nodes on the path from a node to a leaf node is the same.

This is the end of the article on "case Analysis of HashMap Red-Black Tree". Thank you for reading! I believe you all have a certain understanding of the knowledge of "HashMap Red-Black Tree case Analysis". If you want to learn more, you are welcome to follow the industry information channel.

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