---
id: csharp-comments
title: "C# Comments"
category: "Programming_Language"
status: "draft"
verification_status: "conceptual"
canonical_id: ""
aliases: ["single-line comments C#", "multi-line comments C#", "C# 주석"]
duplicate_of: ""
source_trust_level: "B"
confidence_score: 0.85
created_at: 2026-07-04
updated_at: 2026-07-04
review_reason: ""
merge_history: []
tags: ["csharp", "programming-language", "w3schools", "comments"]
raw_sources: ["https://www.w3schools.com/cs/cs_comments.php"]
applied_in: []
github_commit: ""
---

# [[CSharp Comments]]

## 🎯 한 줄 통찰 (One-line insight)
C#'s comment syntax (`//` single-line, `/* */` multi-line) is byte-for-byte identical to C, C++, and Java's — the FIRST chapter in this entire C# series where the answer to "how is this different from what I already know" is simply "it isn't," confirming the Intro chapter's claim of syntactic closeness to the C family in the most literal, zero-abstraction way possible. [S1]

## 🧠 핵심 개념 (Core concepts)
- **Single-line comments (`//`)** — everything from `//` to the end of the line is ignored; usable on its own line before code or appended at the end of a code line. [S1]
- **Multi-line comments (`/* ... */`)** — everything between the markers is ignored, regardless of how many lines it spans. [S1]
- **Convention** — `//` for short comments, `/* */` for longer explanatory blocks; purely a style choice. [S1]
- **Purpose** — explain code for readability, or temporarily disable code during testing. [S1]

## 📖 세부 내용 (Details)
- Before-line comment: `// This is a comment` followed by `Console.WriteLine("Hello World!");`. [S1]
- End-of-line comment: `Console.WriteLine("Hello World!"); // This is a comment`. [S1]
- Multi-line block: `/* The code below will print the words Hello World to the screen, and it is amazing */` followed by the print statement. [S1]

## ⚖️ 모순 및 업데이트 (Contradictions & updates)
- **C/C++/Java와 완전히 동일한 주석 문법**: `//`와 `/* */` 문법이 C, C++, Java와 토씨 하나 다르지 않게 동일하다는 점이 확인됨 — Intro 챕터가 주장한 "C 계열과 문법이 가깝다"는 서술이 이번 챕터에서는 차이 없이 그대로 성립하는 첫 사례. [S1]

## 🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — 줄 앞/뒤 단일행 주석과 여러 줄 블록 주석 예제가 원문에서 제시됨. [S1]

## 💻 코드 패턴 (Code patterns)
Single-line and multi-line comments — identical syntax to C/C++/Java (C#):
```csharp
// This is a comment
Console.WriteLine("Hello World!"); // This is a comment

/* The code below will print the words Hello World
to the screen, and it is amazing */
Console.WriteLine("Hello World!");
```

## ✅ 검증 상태 및 신뢰도
- **상태:** draft
- **검증 단계:** conceptual
- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
- **신뢰 점수:** 0.85
- **중복 검사 결과:** 신규 생성 (New discovery)

## 🔗 지식 그래프 (Knowledge Graph)
- **상위/루트:** [[C# Tutorial]]
- **관련 개념:** [[CSharp Output]], [[CSharp Variables]], [[CPP Comments]]
- **참조 맥락:** Basics 섹션의 마지막 챕터 — Variables 섹션으로 이어짐.

## 📚 출처 (Sources)
- [S1] W3Schools — C# Comments — https://www.w3schools.com/cs/cs_comments.php

## 📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "C# Comments" page (Astra wiki-curation, P-Reinforce v3.1 format).