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10_Wiki/Dev/Topic_CSharp/CSharp_Operators.md

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+---
+id: csharp-operators
+title: "C# Operators"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["arithmetic operators C#", "C# 연산자"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.83
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["csharp", "programming-language", "w3schools", "operators", "arithmetic"]
+raw_sources: ["https://www.w3schools.com/cs/cs_operators.php"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CSharp Operators]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+The seven arithmetic operators (`+ - * / % ++ --`) and their exact symbols/semantics are unchanged across C, C++, and now C# — this chapter is the second (after Comments) where "how is C# different" has no answer at all, reinforcing that C#'s syntactic closeness to the C family is strongest at the expression-operator level and only diverges once whole-program structure (mandatory classes) or memory model (managed runtime) enters the picture. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`+`** — addition; also usable to chain sums across variables (`sum2 = sum1 + 250;`). [S1]
+- **`-`** — subtraction. [S1]
+- **`*`** — multiplication. [S1]
+- **`/`** — division. [S1]
+- **`%`** — modulus (division remainder). [S1]
+- **`++`** — increment, increases a variable's value by 1. [S1]
+- **`--`** — decrement, decreases a variable's value by 1. [S1]
+
+## 📖 세부 내용 (Details)
+- Direct literal addition: `int x = 100 + 50;`. [S1]
+- Chained variable addition: `int sum1 = 100 + 50; int sum2 = sum1 + 250; int sum3 = sum2 + sum2;` → 150, 400, 800. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- **C/C++와 완전히 동일한 산술 연산자 집합**: `+ - * / % ++ --` 7개 연산자의 기호와 의미가 C/C++와 전혀 차이가 없다는 점이 이번 챕터에서 확인됨 — Comments 챕터에 이은 두 번째 "완전 동일" 사례. [S1]
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 여러 변수를 연쇄적으로 더해 누적 합을 만드는 예제가 원문에서 제시됨. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Chained arithmetic across variables (C#):
+```csharp
+int sum1 = 100 + 50;   // 150
+int sum2 = sum1 + 250; // 400
+int sum3 = sum2 + sum2; // 800
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.83
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[C# Tutorial]]
+- **관련 개념:** [[CSharp Operators Assignment]], [[CPP Operators Arithmetic]], [[C Operators]]
+- **참조 맥락:** Operators 섹션 — Assignment Operators 챕터로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C# Operators — https://www.w3schools.com/cs/cs_operators.php
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C# Operators" page (Astra wiki-curation, P-Reinforce v3.1 format).