# crossoverJie/JCSprout

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

Repository: https://github.com/crossoverJie/JCSprout
Canonical: https://ross.abutalabs.com/products/jcsprout
Homepage: https://crossoverjie.top/JCSprout
Language: Java
License: MIT
License Family: permissive
Topics: java, concurrent-programming, algorithm, basic-java, netty, jvm
Last push: 2024-05-21T02:46:20+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": 3181, "days_push": 834, "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 26849, forks 6963 (observed 2026-08-28T04:11:47.160862+00:00)

## What it is
JCSprout is a Chinese-language knowledge base covering Java core concepts including collections, multithreading, JVM internals, distributed systems, algorithms, and Netty. It is a curated set of markdown articles and examples rather than runnable software.

## Use cases
- learn java concurrency and thread pools
- understand hashmap and collection internals
- prepare for java backend interviews
- study jvm memory model and class loading
- learn netty and distributed systems basics

## When to choose
- you want deep-dive explanations of Java core and concurrency topics
- you are preparing for Java interviews
- you prefer article-style learning with code examples

## When to avoid
- you need a runnable library or framework to include in a project
- you need up-to-date coverage of modern Java features
- you need English-language documentation

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: tutorials, programming-languages, microservices
- platform: jvm
- tags: java-core, concurrency, jvm, interview-preparation, netty, knowledge-base, algorithms

## Member repositories
- crossoverJie/JCSprout (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:47.160862+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 2026-08-29T16:55:49.305361+00:00, confidence not recorded.
  - readme: https://github.com/crossoverJie/JCSprout (fetched 2026-08-28T04:11:47.160862+00:00, sha ef545f0f4ecd)
  - homepage: https://crossoverjie.top/JCSprout (fetched 2026-08-29T07:51:57.267584+00:00, sha 9eb90ed861fb)
- Data as of 2026-08-30T08:39:29.467469+00:00.