2nd/10_Wiki/Dev/Topic_Java/00_INDEX.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
java-tutorial-index	Java Tutorial	Programming_Language	draft	conceptual		Java Tutorial Java MOC Topic_Java index Java 목차		B	0.90	2026-07-04	2026-07-04			java programming w3schools moc index	https://www.w3schools.com/java/

Java Tutorial

🎯 한 줄 통찰 (One-line insight)

Map of Content (MOC) for the W3Schools Java Tutorial — the root that links every core-Java-language knowledge page in this topic folder. [S1]

🧠 핵심 개념 (Core concepts)

• This folder (Topic_Java) wikifies the core Java language tutorial, one knowledge page per document, in P-Reinforce v3.1 format — same convention as Topic_SQL / Topic_Python / Topic_HTML / Topic_CSS / Topic_JavaScript. [S1]
• Scope: tutorial + "Real-Life Examples" pages only. Explicitly excluded: reference dumps (ref_keyword_*, ref_string_*, ref_math_*, ref_arraylist_*, ref_linkedlist_*, ref_hashmap_*, ref_scanner_*, ref_arrays_*, and the java_ref_* index pages for each), How-To recipes (java_howto_* and java_howtos.asp — separate "HOW TO" category), Code Challenge companion pages (java_challenges_*), and meta pages (Certificate/Compiler/Exercises/Quiz/Server/Syllabus/Study Plan/Interview Q&A/Videos/Examples). [S1]
• Progress: 118 of 118 planned docs complete — Java category done.
• Every page roots its Knowledge Graph back to this [[Java Tutorial]] node.

📖 세부 내용 (Details)

Basics

• Java Intro ✅
• Java Syntax ✅
• Java Statements ✅
• Java Output ✅
• Java Print Numbers ✅
• Java Comments ✅

Variables

• Java Variables ✅
• Java Print Variables ✅
• Java Multiple Variables ✅
• Java Identifiers ✅
• Java Constants Final ✅
• Java Variables Real Life ✅

Data Types

• Java Data Types ✅
• Java Numbers ✅
• Java Booleans Type ✅
• Java Characters ✅
• Java Data Types Real Life ✅
• Java Var Keyword ✅
• Java Type Casting ✅

Operators

• Java Operators ✅
• Java Operators Arithmetic ✅
• Java Operators Assign ✅
• Java Operators Comparison ✅
• Java Operators Logical ✅
• Java Operators Precedence ✅

Strings

• Java Strings ✅
• Java Strings Concat ✅
• Java Strings Numbers ✅
• Java Strings Special Chars ✅

Math

• Java Math ✅

Booleans

• Java Booleans ✅
• Java Booleans Real Life ✅

Conditions

• Java If Else ✅
• Java Else ✅
• Java Else If ✅
• Java If Shorthand ✅
• Java Nested If ✅
• Java Conditions Logical Operators ✅
• Java Conditions Real Life ✅

Switch

• Java Switch ✅

Loops

• Java While Loop ✅
• Java Do While Loop ✅
• Java While Loop Real Life ✅
• Java For Loop ✅
• Java For Loop Nested ✅
• Java For Each Loop ✅
• Java For Loop Real Life ✅
• Java Break Continue ✅

Arrays

• Java Arrays ✅
• Java Arrays Loop ✅
• Java Arrays Real Life ✅
• Java Arrays Multi ✅

Methods

• Java Methods ✅
• Java Methods Param ✅
• Java Methods Return ✅
• Java Methods Overloading ✅

Scope & Recursion

• Java Scope ✅
• Java Recursion ✅

OOP

• Java OOP ✅
• Java Classes ✅
• Java Class Attributes ✅
• Java Class Methods ✅
• Java Constructors ✅
• Java This Keyword ✅
• Java Modifiers ✅
• Java Non Access Modifiers ✅
• Java Encapsulation ✅
• Java Packages ✅
• Java Inheritance ✅
• Java Polymorphism ✅
• Java Super Keyword ✅
• Java Inner Classes ✅
• Java Abstraction ✅
• Java Interface ✅
• Java Anonymous ✅
• Java Enums ✅
• Java Enum Constructor ✅

User Input & Date

• Java User Input ✅
• Java Date ✅

Errors & Exceptions

• Java Errors ✅
• Java Debugging ✅
• Java Try Catch ✅
• Java Exceptions Multiple ✅
• Java Try Catch Resources ✅

Files & I/O

• Java Files ✅
• Java Files Create ✅
• Java Files Write ✅
• Java Files Read ✅
• Java Files Delete ✅
• Java IO Streams ✅
• Java FileInputStream ✅
• Java FileOutputStream ✅
• Java BufferedReader ✅
• Java BufferedWriter ✅

Data Structures & Collections

• Java Data Structures ✅
• Java Collections ✅
• Java List ✅
• Java ArrayList ✅
• Java LinkedList ✅
• Java Sort List ✅
• Java Set ✅
• Java HashSet ✅
• Java TreeSet ✅
• Java LinkedHashSet ✅
• Java Map ✅
• Java HashMap ✅
• Java TreeMap ✅
• Java LinkedHashMap ✅
• Java Iterator ✅

Advanced

• Java Algorithms ✅
• Java Wrapper Classes ✅
• Java Generics ✅
• Java Annotations ✅
• Java RegEx ✅
• Java Threads ✅
• Java Lambda ✅
• Java Advanced Sorting ✅
• Java Projects ✅

🛠️ 적용 사례 (Applied in summary)

0 knowledge documents generated so far in this batch run.

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference)
• 신뢰 점수: 0.90
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: 10_Wiki
• 관련 개념: Java Intro, Java OOP, Python Tutorial, SQL Tutorial
• 참조 맥락: SQL/Python에 이어 W3Schools 지식화 시리즈의 다음 카테고리.

📚 출처 (Sources)

• [S1] W3Schools — Java Tutorial — https://www.w3schools.com/java/

📝 변경 이력 (Change history)

• 2026-07-04: Created Java Tutorial MOC with scope decisions and full planned page list (Astra wiki-curation, P-Reinforce v3.1 format).