# PansonPanson/Java-Notes

:books: 计算机科学基础知识、Java开发、后端/服务端、面试相关        :books: computer-science/Java-development/backend/interview

Repository: https://github.com/PansonPanson/Java-Notes
Canonical: https://ross.abutalabs.com/products/pansonpanson-java-notes
License: MIT
License Family: permissive
Topics: java, computer-network, operating-system, database, backend, computer-science, jvm, concurrency, distributed, message-queue
Last push: 2019-04-07T10:49:37+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3084, "days_push": 2705, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1572, forks 280 (observed 2026-08-28T04:05:05.514439+00:00)

## What it is
A curated collection of study notes covering computer science fundamentals, Java development, backend/server-side engineering, and interview preparation. It organizes reading notes and article summaries on topics like networking, operating systems, JVM, concurrency, databases, and distributed systems.

## Use cases
- prepare for a Java backend developer interview
- review computer science fundamentals like networking and operating systems
- learn Java concurrency and JVM internals
- find systematic study notes on distributed systems and message queues
- get book recommendations and reading lists for backend engineering
- refresh knowledge on databases and middleware like Zookeeper

## When to choose
- you are a Java backend developer or interview candidate seeking organized study material
- you prefer curated notes and book summaries over scattered blog posts
- you want a free reference covering CS fundamentals through distributed systems

## When to avoid
- you need runnable code, libraries, or tools rather than notes
- you need up-to-date content on the latest frameworks, as maintenance has slowed since 2019
- you are not working with Java or backend technologies

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: developer-tools, backend, tutorials, awesome-lists
- platform: jvm
- tags: java, interview-preparation, computer-science, jvm, concurrency, distributed-systems, study-notes, backend-development

## Member repositories
- PansonPanson/Java-Notes (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:05.514439+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:58:05.359040+00:00, confidence not recorded.
  - readme: https://github.com/PansonPanson/Java-Notes (fetched 2026-08-28T04:05:05.514439+00:00, sha 0d86442c172f)
- Data as of 2026-08-30T08:39:29.467469+00:00.