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1, Principle of stack Stack is a linear table (commonly known as stack) that is restricted to insert and delete operations at one end The end at which operations are allowed is called the "top of the stack" The other fixed end is called "stack bottom" When there are no elements in the stack, it is c ...

(this article and each subsequent article have such a structure. First, we will talk about the logical structure, then preliminarily understand the physical structure, then realize the code, and finally re understand the advantages and disadvantages of the physical structure in combination with the code. The code of this chapter and the exer ...

💟 About the author: Hello, I'm Ceylan_, You can call me CC ❣️      📝 Personal homepage: Ceylan_ Blog 🏆 Blogger information: ordinary freshmen have extraordinary dreams Column Prepare for the Blue Bridge Cup    One question per day PTA ladder race ⚡ I hope you can give me more support 😘 Progress together~ ❤️ 🌈 If helpfu ...

Must do problem sorting At 21:40 on April 11, 2021, I was very skeptical about life after the exam. I originally wanted to rely on professional courses to score points. I also expected that there would be a large number of applicants for specialized courses this year. In addition, the reform of professional courses should be simpler, but I did ...

IO Use of File class Get function of File class public String getAbsolutePath(): get absolute path public String getPath(): get path public String getName(): get the name public String getParent(): get the directory path of the upper level file. If none, null is returned public long length(): get the length of the file (i.e. the number ...

Basic introduction of hash table Hash table (also known as hash table) is a data structure that is accessed directly according to the key value. That is, to speed up the search by mapping it to a key in the table. This mapping function is called hash function, and the array storing records is called hash table. (the bottom layer of hash table ...

MyBatis multi table operation Multi table query means that when the query returns the result, it cannot automatically match the number. We will manually seal a Map for it and manually Map the data manually. The following two tables are used as examples orders table: users table: example: one to one query. One order corresponds to one use ...

I Data structure overview Data Structure is a subject that studies the organization and management of data. It is often expressed externally as a collection or container of a set of data. Concept explanation: Element: managed atomic data, unlimited element types. Collection: a container for storing elements. It needs to organize elements wi ...

Article link: Three hundred lines per day (summary)_ minfanphd blog - CSDN blog Depth first traversal of Day34 graph 34.1 ideas Compared with breadth first traversal, depth first traversal is depth traversal, and depth traversal is more like the first root traversal of a tree. The depth traversal is realized with the help of the stack. As sh ...

catalogue 1, Key points of this chapter 2, Introduction to linked list 3, Implementation of common interfaces for headless one-way acyclic linked list 3.1 dynamically apply for a node 3.2 single linked list printing 3.3 single chain table tail insertion 3.4 head insertion of single chain table 3.5 tail deletion of single linked list 3. ...