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A free, Chinese-language collection of study notes for fullstack and backend engineers: twelve chapters from algorithms and Java to databases, distributed systems and machine learning, organized as a skill tree and geared toward interviews.
A free, Chinese-language collection of study notes for fullstack and backend engineers: twelve chapters from algorithms and Java to databases, distributed systems and machine learning, organized as a skill tree and geared toward interviews.Is it a course you enroll in, a book, or a pile of links?Neither exactly — it is an indexed set of markdown study notes you read on GitHub, grouped by topic, with a LEARNLIST section that recommends books and courses. Nothing to install or sign up for.
Neither exactly — it is an indexed set of markdown study notes you read on GitHub, grouped by topic, with a LEARNLIST section that recommends books and courses. Nothing to install or sign up for.How is the material organized, and where should I start?Twelve numbered chapters — algorithms, Java, Python, frontend, databases, operating systems, networking, distributed systems, machine learning, tools, plus Learn. The README opens with a preface on learning methodology and a backend skill map; start there and take chapters in order.
Twelve numbered chapters — algorithms, Java, Python, frontend, databases, operating systems, networking, distributed systems, machine learning, tools, plus Learn. The README opens with a preface on learning methodology and a backend skill map; start there and take chapters in order.Which technologies does it actually cover?Java gets the most depth — collections with source-code analysis, concurrency, JVM, design patterns and the Spring stack — plus Python basics, a frontend track (Vue, React, webpack, TypeScript), MySQL and Redis, Docker, Kafka, Zookeeper and classic machine-learning algorithms.
Java gets the most depth — collections with source-code analysis, concurrency, JVM, design patterns and the Spring stack — plus Python basics, a frontend track (Vue, React, webpack, TypeScript), MySQL and Redis, Docker, Kafka, Zookeeper and classic machine-learning algorithms.Is every chapter finished, or are some still stubs?Some are in progress. The distributed-systems chapter is explicitly a work in progress — Kubernetes, Dubbo, distributed transactions and more sit on a TODO list — and parts of the frontend track are marked TODO too.
Some are in progress. The distributed-systems chapter is explicitly a work in progress — Kubernetes, Dubbo, distributed transactions and more sit on a TODO list — and parts of the frontend track are marked TODO too.Is this aimed at students prepping for campus hiring, or working engineers?Mostly students and juniors: the description targets spring and fall campus recruiting and interviews, and the author frames the repo as a guide giving beginners a clear path toward backend or architect roles.
Mostly students and juniors: the description targets spring and fall campus recruiting and interviews, and the author frames the repo as a guide giving beginners a clear path toward backend or architect roles.Can I reuse these notes in my own materials?There is no open-source license — the README carries only a copyright notice, so the content is free to read on GitHub but not formally licensed for reuse or redistribution.
There is no open-source license — the README carries only a copyright notice, so the content is free to read on GitHub but not formally licensed for reuse or redistribution.How deep does the Java material go?Interview depth: collection-framework source analysis (HashMap, ConcurrentHashMap and friends), concurrency with JUC, the Java Memory Model and lock optimization, JVM internals from garbage collection to class loading, I/O, over ten design patterns with all 23 planned, plus the Servlet/Spring/MyBatis web stack.
Interview depth: collection-framework source analysis (HashMap, ConcurrentHashMap and friends), concurrency with JUC, the Java Memory Model and lock optimization, JVM internals from garbage collection to class loading, I/O, over ten design patterns with all 23 planned, plus the Servlet/Spring/MyBatis web stack.Does it include real interview questions?Yes — the author compiled Alibaba interview questions, corrected and extended them, and mixed in interview experience posts from Nowcoder (牛客网), so the notes follow how these topics actually get asked in interviews.
Yes — the author compiled Alibaba interview questions, corrected and extended them, and mixed in interview experience posts from Nowcoder (牛客网), so the notes follow how these topics actually get asked in interviews.Do I need to read Chinese to use it?Yes — all chapters, notes and interview material are written in Chinese, with technical terms kept in English, so reading Chinese is effectively required.
Yes — all chapters, notes and interview material are written in Chinese, with technical terms kept in English, so reading Chinese is effectively required.Beyond the notes, what else does it point to?The Learn section's LEARNLIST pairs a reading list with learning courses, and the tools chapter adds a Git guide with workflow comparisons, a regex cheatsheet, an intranet-tunneling walkthrough with ready-made Docker images, and notes on TDD and remote hot deployment.
The Learn section's LEARNLIST pairs a reading list with learning courses, and the tools chapter adds a Git guide with workflow comparisons, a regex cheatsheet, an intranet-tunneling walkthrough with ready-made Docker images, and notes on TDD and remote hot deployment.What are similar projects?toBeBetterJavaer, CS-Books, architect-awesome, CS-Base, SDE-Interview-and-Prep-Roadmap, CS-Notes, interview_internal_reference, JCSprout
toBeBetterJavaer, CS-Books, architect-awesome, CS-Base, SDE-Interview-and-Prep-Roadmap, CS-Notes, interview_internal_reference, JCSproutWhich topics is it in?full-stack, study-guide, operating-system, data-structures, interview, interview-preparation, microservices, algorithms, career, computer-science, mysql, redis
full-stack, study-guide, operating-system, data-structures, interview, interview-preparation, microservices, algorithms, career, computer-science, mysql, redis