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78 lines
3.1 KiB
Markdown
78 lines
3.1 KiB
Markdown
---
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id: java-methods
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title: "Java Methods"
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category: "Programming_Language"
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status: "draft"
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verification_status: "conceptual"
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canonical_id: ""
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aliases: ["자바 메서드"]
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duplicate_of: ""
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source_trust_level: "B"
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confidence_score: 0.9
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created_at: 2026-07-04
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updated_at: 2026-07-04
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review_reason: ""
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merge_history: []
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tags: ["java", "programming", "w3schools", "methods"]
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raw_sources: ["https://www.w3schools.com/java/java_methods.asp"]
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applied_in: []
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github_commit: ""
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---
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# [[Java Methods]]
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## 🎯 한 줄 통찰 (One-line insight)
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`static` on a method means it belongs to the CLASS itself, not to any object instance — a distinction the tutorial defers explaining fully until objects are introduced later, but flags immediately since every method example so far uses it. [S1]
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## 🧠 핵심 개념 (Core concepts)
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- **Method** — a named, reusable block of code that runs only when called; also called a function. [S1]
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- **Purpose** — code reuse: define once, use many times. [S1]
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- **Declaration inside a class** — `static void myMethod() { ... }`. [S1]
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- **`static`** — the method belongs to the class, not an object instance (elaborated later with OOP). [S1]
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- **`void`** — signals no return value. [S1]
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- **Calling** — `myMethod();` — can be called repeatedly. [S1]
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## 📖 세부 내용 (Details)
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- Definition: `public class Main { static void myMethod() { // code } }`. [S1]
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- Call and output: `static void myMethod() { System.out.println("I just got executed!"); } public static void main(String[] args) { myMethod(); }`. [S1]
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- Repeated calls: calling `myMethod();` three times inside main prints the message three times. [S1]
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## ⚖️ 모순 및 업데이트 (Contradictions & updates)
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소스에서 모순되는 정보는 발견되지 않음.
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## 🛠️ 적용 사례 (Applied in summary)
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현재 발견된 실제 적용 사례가 없습니다 — 코드 재사용의 기본 단위이며, 파라미터/반환값/오버로딩으로 확장된다. [S1]
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## 💻 코드 패턴 (Code patterns)
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Basic method definition and repeated call (Java):
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```java
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public class Main {
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static void myMethod() {
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System.out.println("I just got executed!");
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}
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public static void main(String[] args) {
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myMethod();
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myMethod();
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myMethod();
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}
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}
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```
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## ✅ 검증 상태 및 신뢰도
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- **상태:** draft
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- **검증 단계:** conceptual
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- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
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- **신뢰 점수:** 0.90
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- **중복 검사 결과:** 신규 생성 (New discovery)
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## 🔗 지식 그래프 (Knowledge Graph)
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- **상위/루트:** [[Java Tutorial]]
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- **관련 개념:** [[Java Methods Param]], [[Java Methods Return]], [[Java OOP]]
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- **참조 맥락:** 코드 재사용의 기본 단위 — 파라미터/반환값 챕터로 확장.
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## 📚 출처 (Sources)
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- [S1] W3Schools — Java Methods — https://www.w3schools.com/java/java_methods.asp
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## 📝 변경 이력 (Change history)
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- 2026-07-04: Initial draft synthesized from the W3Schools "Java Methods" page (Astra wiki-curation, P-Reinforce v3.1 format).
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