{"adoption": {"forks": 5148, "observed_at": "2026-08-28T04:11:07.154845+00:00", "stars": 14499}, "canonical_url": "https://ross.abutalabs.com/products/duguqiubai-java", "card": {"archived": false, "artifact_type": "learning-resource", "description": "27天成为Java大神", "domain": ["programming-languages", "tutorials", "education"], "enriched": true, "function": ["documentation"], "health_score": 20, "homepage": null, "language": "Java", "license": "Artistic-2.0", "license_family": "other", "maturity": "active", "member_repos": ["DuGuQiuBai/Java"], "name": "DuGuQiuBai/Java", "platform": ["jvm", "cross-platform"], "pushed_at": "2024-07-20T03:42:57+00:00", "repo": "DuGuQiuBai/Java", "stars": 14499, "tags": ["java", "tutorial", "learning-path", "chinese-language", "beginner-friendly"], "topics": [], "urls": [], "use_cases": ["learn java from scratch", "27 day java study plan", "java tutorial for beginners", "structured java learning roadmap", "self-study java curriculum", "java learning resources in chinese"], "what_it_is": "A curated 27-day Java learning roadmap and tutorial collection designed to take learners from basics toward Java proficiency. It is a popular Chinese-language educational repository rather than a software library.", "when_to_avoid": ["you need runnable Java code or a library to include in a project", "you require English-language materials", "you need an officially maintained or peer-reviewed course"], "when_to_choose": ["you want a structured, day-by-day Java learning path", "you prefer Chinese-language tutorials", "you are a beginner seeking a free comprehensive Java curriculum"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/duguqiubai-java", "repo": "DuGuQiuBai/Java", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:07.154845+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:12:31.317266+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d814f76666a99a7021f4ede651ae28704420f11fd915b799cce76674df486572", "fetched_at": "2026-08-28T04:11:07.154845+00:00", "kind": "readme", "missing": false, "url": "https://github.com/DuGuQiuBai/Java"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "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": 3934, "days_push": 774, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}