docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

이전 재구성 작업에서 Dev/ 폴더가 누락되었던 것을 반영. - Dev/Topic_Programming(중첩 폴더, 78개)은 Dev 자체 최상위 폴더들 (Architecture/Conventions/Engineering_Intelligence 등)과 완전 중복이라 제거. - Dev 최상위 엔지니어링 지식 폴더(Architecture/Conventions/Engineering_Intelligence/ Failure_Library/Generalized_Principles/Language/Pattern_Catalog/Platform_Guides/ Subsystems, 77개)는 이미 Topic_Programming/Topic_Programming에 더 최신 버전이 존재해 중복 제거(고유 콘텐츠 1개는 예외 처리하여 이동 보존). - Dev의 W3Schools 언어 튜토리얼 폴더(Topic_C/CPP/CSS/CSharp/HOWTO/HTML/Java/ JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동. - 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리. - Topic_Programming 최종 문서 수: 2784 → 3985.
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+---
+id: cpp-encapsulation
+title: "C++ Encapsulation"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["getter setter", "private attribute access", "C++ 캡슐화"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.86
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["cpp", "programming-language", "w3schools", "oop", "encapsulation"]
+raw_sources: ["https://www.w3schools.com/cpp/cpp_encapsulation.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CPP Encapsulation]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Encapsulation is the concrete APPLICATION of the previous chapter's abstract advice — "declare attributes private as often as you can" becomes actionable once you pair each `private` attribute with a `public` getter/setter method, meaning encapsulation isn't a separate new technique so much as the standard PATTERN for actually using `private` without making the data completely unreachable. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Encapsulation** — hiding "sensitive" data by declaring class attributes `private`, then providing `public` GET and SET methods for controlled access. [S1]
+- **Setter method** — a public method that ASSIGNS a value to a private attribute (`void setSalary(int s) { salary = s; }`). [S1]
+- **Getter method** — a public method that RETURNS a private attribute's value (`int getSalary() { return salary; }`). [S1]
+- **Real-life analogy** — an employee's salary is private (they can't change it directly); only the manager (a trusted method) can update or share it. [S1]
+- **Why encapsulate** — better control of data (change one part without affecting others), increased data security. [S1]
+
+## 📖 세부 내용 (Details)
+- A private attribute accessed exclusively through a getter/setter pair: `class Employee { private: int salary; public: void setSalary(int s) { salary = s; } int getSalary() { return salary; } }; Employee myObj; myObj.setSalary(50000); cout << myObj.getSalary();`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).
+
+## 🛠️ 적용 사례 (Applied in summary)
+직원의 급여(salary)를 private으로 숨기고 setSalary()/getSalary()로만 접근하도록 하는 Employee 클래스 예제가 캡슐화의 대표 실전 활용 사례로 원문에 직접 제시됨. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+A private attribute accessed only through public getter/setter methods (C++):
+```cpp
+class Employee {
+private:
+  int salary; // hidden
+public:
+  void setSalary(int s) { salary = s; }
+  int getSalary() { return salary; }
+};
+int main() {
+  Employee myObj;
+  myObj.setSalary(50000);
+  cout << myObj.getSalary();
+  return 0;
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.86
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[C++ Tutorial]]
+- **관련 개념:** [[CPP Access Specifiers]], [[CPP Inheritance]]
+- **참조 맥락:** 접근 지정자 및 캡슐화 섹션 마지막 — 상속(Inheritance) 섹션으로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C++ Encapsulation — https://www.w3schools.com/cpp/cpp_encapsulation.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C++ Encapsulation" page (Astra wiki-curation, P-Reinforce v3.1 format).