Algo Practice Notes

This repository is a personal collection of notes for algorithm practice, including categorized problem strategies, Java syntax summaries, and data structure templates.
本仓库为个人笔记合集，涵盖题型思路分类、Java 语法总结与常用数据结构模板。

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Directory Overview | 文件结构总览

problems/

Topic-based notes for LeetCode-style problems
按题型分类的刷题题解与解法整理

• array.md
• linked-list.md
• tree.md
• dp.md
• sliding-window.md
• two-pointer.md

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java-syntax/

Java-specific syntax tricks, useful for interviews and fast coding
Java 语言重点语法与技巧

• arrays-collections-notes.md - Java Arrays & Collections Systematic Notes
• arrays.md — Arrays API, sorting, common pitfalls
• anonymous-inner-class.md - Anonymous inner class Basic Syntax
• comparator.md - Comparator Interface Basic Syntax
• map.md - Map Quick Notes
• list.md

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data-structure/

Templates and usage patterns for common data structures
常见数据结构模板与操作总结

• stack-queue.md
• heap.md
• union-find.md

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Tips

• All code examples are tested in Java 8+

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Last updated: June 15, 2025
Compiled by: Riley