{"adoption": {"forks": 46168, "observed_at": "2026-08-28T04:12:24.401310+00:00", "stars": 158051}, "canonical_url": "https://ross.abutalabs.com/products/javaguide", "card": {"archived": false, "artifact_type": "learning-resource", "description": "Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发", "domain": ["education", "developer-tools", "backend", "large-language-models", "databases", "programming-languages"], "enriched": true, "function": ["documentation", "developer-tools"], "health_score": 80, "homepage": "https://javaguide.cn", "language": "JavaScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["Snailclimb/JavaGuide", "Snailclimb/JavaGuide-Interview"], "name": "JavaGuide", "platform": ["cross-platform"], "pushed_at": "2026-08-26T13:59:47+00:00", "repo": "Snailclimb/JavaGuide", "stars": 158051, "tags": ["java", "interview-preparation", "backend", "system-design", "redis", "mysql", "distributed-systems", "rag", "mcp", "ai-agents", "study-guide", "chinese"], "topics": ["java", "interview", "redis", "mysql", "system-design", "redisson", "agent", "context-engineering", "mcp", "skills", "springai", "ai", "deepseek"], "urls": [], "use_cases": ["prepare for a java backend interview", "review java fundamentals and common interview questions", "learn system design and distributed systems concepts for interviews", "study redis and mysql interview topics", "get a java learning roadmap as a beginner", "learn about llm agents, rag, and mcp as a backend developer", "write a better developer resume for backend roles"], "what_it_is": "JavaGuide is a widely-used open-source knowledge base and interview preparation guide for Java backend developers, covering Java fundamentals, databases, distributed systems, concurrency, system design, and AI application development. It is maintained as a documentation site (javaguide.cn) with companion interview-focused and AI development guides.", "when_to_avoid": ["you need runnable software, a library, or a framework rather than written learning material", "you need an official or authoritative certification-style curriculum rather than a community-maintained guide", "you need content guaranteed to be up to date for a specific framework version"], "when_to_choose": ["you are preparing for Java or backend developer interviews and want a structured, community-vetted study guide", "you want free, well-organized reference material on Java, databases, distributed systems, and system design", "you are a backend developer wanting to catch up on AI application development topics like RAG, agents, and MCP"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/repos/Snailclimb/JavaGuide", "repo": "Snailclimb/JavaGuide", "role": "main", "score": 77}, {"path": "/repos/Snailclimb/JavaGuide-Interview", "repo": "Snailclimb/JavaGuide-Interview", "role": "docs", "score": 65}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:12:24.401310+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:10:55.899314+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0448b3dbaf25c5385c972dcf279785df4b3aee0ea8a583be4c2ba843b688b630", "fetched_at": "2026-08-28T04:12:24.401310+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Snailclimb/JavaGuide"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3040, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}