# DuHouAn/Java

☕️Java👫面向对象📝编程题💾数据库☎️常用框架📖系统设计💪工具📚参考资料

Repository: https://github.com/DuHouAn/Java
Canonical: https://ross.abutalabs.com/products/duhouan-java
Homepage: https://duhouan.github.io/Java/#/
License Family: other
Last push: 2025-01-12T00:58:58+00:00

## Health v2 (maintenance only)
Score: 33/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 1, release rhythm 35, longevity 100
- inputs: {"age_days": 2889, "days_push": 599, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1590, forks 314 (observed 2026-08-28T04:05:08.486111+00:00)

## What it is
A curated Chinese-language study repository collecting Java fundamentals, object-oriented programming, database knowledge, common frameworks, and system design notes. It serves as a reference for learning and interview preparation, with a companion website.

## Use cases
- learn java fundamentals
- prepare for java backend interviews
- review database and framework concepts
- study system design notes
- find java programming exercises

## When to choose
- you want a consolidated Chinese-language Java study guide
- you are preparing for Java developer interviews
- you need quick reference notes on Java, databases, and frameworks

## When to avoid
- you need runnable software or a library
- you require English-language materials
- you need up-to-date coverage of the latest framework versions

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: programming-languages, databases, tutorials, education
- platform: jvm, cross-platform
- tags: java, interview-preparation, object-oriented-programming, system-design, study-notes, chinese-language

## Member repositories
- DuHouAn/Java (main) score 33

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:08.486111+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 2026-08-30T03:54:46.143494+00:00, confidence not recorded.
  - readme: https://github.com/DuHouAn/Java (fetched 2026-08-28T04:05:08.486111+00:00, sha 1ab9b7f93f1a)
  - homepage: https://duhouan.github.io/Java/#/ (fetched 2026-08-29T11:25:40.852346+00:00, sha 57d1c6bdeb1d)
- Data as of 2026-08-30T08:39:29.467469+00:00.