{"adoption": {"forks": 2481, "observed_at": "2026-08-28T04:11:19.954669+00:00", "stars": 17527}, "canonical_url": "https://ross.abutalabs.com/products/tobebetterjavaer", "card": {"archived": false, "artifact_type": "learning-resource", "description": "一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄", "domain": ["education", "programming-languages", "tutorials", "developer-tools"], "enriched": true, "function": ["documentation", "developer-tools"], "health_score": 80, "homepage": "https://javabetter.cn", "language": "Java", "license": null, "license_family": "other", "maturity": "active", "member_repos": ["itwanger/toBeBetterJavaer"], "name": "itwanger/toBeBetterJavaer", "platform": ["cross-platform"], "pushed_at": "2026-08-24T14:53:12+00:00", "repo": "itwanger/toBeBetterJavaer", "stars": 17527, "tags": ["java", "jvm", "interview-preparation", "springboot", "mysql", "redis", "concurrency", "learning-path", "chinese-language"], "topics": ["java", "jvm", "springboot", "mysql", "redis"], "urls": [], "use_cases": ["learn java from scratch", "prepare for java interview questions", "understand jvm and concurrency concepts", "find a structured java learning roadmap", "review java collections and spring framework notes", "study mysql and redis for backend interviews", "get a free java tutorial pdf"], "what_it_is": "A popular open-source Chinese-language Java learning guide and knowledge base covering Java fundamentals, concurrency, JVM, enterprise development, and interview preparation. It aggregates original tutorials, learning roadmaps, and study materials, also available as an online site and PDF.", "when_to_avoid": ["you need official API reference documentation", "you want English-language tutorials", "you need a hands-on code library or runnable framework rather than reading material"], "when_to_choose": ["you are a beginner or intermediate Java learner wanting approachable, humorous explanations", "you are preparing for Java job interviews and need curated question banks", "you want a free, continuously updated Java curriculum in Chinese"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/tobebetterjavaer", "repo": "itwanger/toBeBetterJavaer", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.954669+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:02:54.476701+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8021e72f3085a761ab9c41486870915c3b403f8e2c42c2a9dacaf8352e080b7f", "fetched_at": "2026-08-28T04:11:19.954669+00:00", "kind": "readme", "missing": false, "url": "https://github.com/itwanger/toBeBetterJavaer"}, {"content_hash": "290e14169153484ae6be4ef02217b1561f2775d5c001217531a0d8a407560273", "fetched_at": "2026-08-29T08:00:58.008413+00:00", "kind": "homepage", "missing": false, "url": "https://javabetter.cn"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2856, "days_push": 9, "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}}