docs(10_Wiki): 위키 구조 정리 — 언어 튜토리얼 카테고리 폴더 제거 + 신규 자산 동기화

Topic_CSS/Topic_HTML/Topic_JavaScript/Topic_Prompt/Topic_Comfyui 등 기존 카테고리 폴더를 정리하고, Topic_Graphic/Dev 등 신규 산출물과 Topics 내부 세션/메모리 기록을 동기화.
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+---
+id: java-arrays-real-life
+title: "Java Arrays Real Life"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["자바 배열 실전 예제"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.87
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["java", "programming", "w3schools", "arrays", "examples"]
+raw_sources: ["https://www.w3schools.com/java/java_arrays_reallife.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[Java Arrays Real Life]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+The min/max-tracking pattern initializes BOTH tracker variables to `numbers[0]` (not 0 or some sentinel), which is the safe idiom for arrays containing negative numbers — seeding with 0 would silently break the min-tracking logic if all elements were negative. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Average calculation** — sum via for-each, then divide by `.length`. [S1]
+- **Lowest-value tracker** — initialize a tracker to the first element, then compare/update while iterating. [S1]
+- **Break/continue array filtering** — skip negatives, stop at zero (reusing the break/continue chapter's pattern). [S1]
+- **Max+min simultaneous tracking** — two trackers both initialized to `numbers[0]`, updated independently in one loop pass. [S1]
+- **Indexed labeling** — seat number + occupant, requiring the regular for loop. [S1]
+
+## 📖 세부 내용 (Details)
+- Average: `int ages[] = {20, 22, 18, 35, 48, 26, 87, 70}; float avg, sum = 0; int length = ages.length; for (int age : ages) { sum += age; } avg = sum / length;`. [S1]
+- Lowest value: `int lowestAge = ages[0]; for (int age : ages) { if (lowestAge > age) { lowestAge = age; } }`. [S1]
+- Skip negative/stop at zero: `int[] numbers = {3, -1, 7, 0, 9}; for (int n : numbers) { if (n < 0) { continue; } if (n == 0) { break; } System.out.println(n); }`. [S1]
+- Max and min together: `int[] numbers = {45, 12, 98, 33, 27}; int max = numbers[0]; int min = numbers[0]; for (int n : numbers) { if (n > max) { max = n; } if (n < min) { min = n; } }`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 평균/최댓값/최솟값 계산은 배열 처리의 가장 흔한 실전 응용이다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Simultaneous max/min tracking seeded from first element (Java):
+```java
+int[] numbers = {45, 12, 98, 33, 27};
+int max = numbers[0];
+int min = numbers[0];
+for (int n : numbers) {
+    if (n > max) { max = n; }
+    if (n < min) { min = n; }
+}
+System.out.println("Max: " + max);
+System.out.println("Min: " + min);
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.87
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[Java Tutorial]]
+- **관련 개념:** [[Java Arrays Loop]], [[Java Break Continue]], [[Java Arrays Multi]]
+- **참조 맥락:** 배열 순회의 실전 응용(평균/최대/최소) — 다차원 배열로 확장.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — Java Arrays - Real-Life Examples — https://www.w3schools.com/java/java_arrays_reallife.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "Java Arrays - Real-Life Examples" page (Astra wiki-curation, P-Reinforce v3.1 format).