LeetCode's Java ecosystem is evolving beyond mere algorithmic correctness, with a growing emphasis on code quality metrics such as readability, maintainability, and performance profiling.

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...

Getting good at LeetCode Java isn’t just about solving problems; it’s about having a good plan. You need to know where to start, what tools to use, and how to keep going when things get tough. This ...

Note: If you are using leetcode.cn, you can just ignore this section. Recently we observed that the extension cannot login to leetcode.com endpoint anymore. The root cause of this issue is that ...

Leetcode summary of solutions and tutorial notes. Java only. For self use. Categorized by topics. Each of the note includes my solution, tips and summary, and solutions provided by Leetcode. Some of ...