Use the Finger TREE framework in the Java Library for data structure design and optimization

Use the Finger TREE framework in the Java Library for data structure design and optimization introduce Finger Tree is an efficient data structure that solves the performance problems in the list operation.The Java class library provides the Finger Tree framework to help us design and optimize the data structure easily.This article will introduce the basic concepts and application scenarios of Finger Tree, and provide some Java code examples. What is Finger Tree? Finger Tree is a data structure that organizes data into a tree -shaped structure.Unlike traditional balance trees, Finger Tree has better space and time complexity, especially suitable for frequent insertion and deleting elements.The name of Finger Tree comes from the flexibility and efficiency of the fingers. Finger Tree's basic concept Finger Tree consists of four main components: empty trees, single nodes, deep nodes and numbers.The empty tree indicates that there is no element Finger Tree, a single node represents a Finger Tree of an element, and a deep node is a node that organizes elements according to the specified rules, and the number represents the size of an element. Finger Tree's operation Finger Tree provides a series of operations to achieve operations such as increasing, deleting, and checking data. 1. Add element: Add an element by calling the `adD` method of Finger Tree.For example: FingerTree<Integer> tree = FingerTree.empty(); tree = tree.add(1); 2. Delete element: Delete an element by calling the `delete` method of Finger Tree.For example: FingerTree<Integer> tree = FingerTree.empty(); tree = tree.add(1).add(2).add(3); tree = tree.delete(2); 3. Query element: Query the specific element by calling the `search` method of Finger Tree.For example: FingerTree<Integer> tree = FingerTree.empty(); tree = tree.add(1).add(2).add(3); int index = tree.search(2); 4. Traversing elements: You can use Finger Tree's `Foreach` method to traverse all elements.For example: FingerTree<Integer> tree = FingerTree.empty(); tree = tree.add(1).add(2).add(3); tree.forEach(System.out::println); Finger Tree's advantage Using Finger Tree can bring the following advantages: 1. Efficient insertion and deletion operation: Finger Tree has more efficient performance for frequent insertion and deleting elements.It controls time complexity to O (Logn). 2. Space efficiency: Finger Tree is more compact than traditional balance trees, and there are fewer space occupied. Summarize By using the Finger Tree framework in the Java library, we can easily design and optimize the data structure.Finger Tree's efficient performance and flexibility make it an ideal choice when solving the performance of the list operation.I hope this article will help you understand the basic concepts and usage methods of Finger Tree. Note: In order to better display the use scenarios and operation methods of Finger Tree, the above code examples are only used as a sign, and it does not mean a complete implementation.In actual use, appropriate adjustments and extensions need to be made according to specific needs.