> For the complete documentation index, see [llms.txt](https://dahye-jeong.gitbook.io/java/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dahye-jeong.gitbook.io/java/readme.md).

# README

매일 공부한 내용을 기록하는 Repository 입니다.

## [Java](https://github.com/dh00023/TIL/tree/ea567accdafd400ed913367c02b685532e34993f/Java/README.md)

* [Basic](/java/java/undefined.md)
  * [변수와 타입](/java/java/undefined/java-variable.md)
  * [연산자](/java/java/undefined/java-operator.md)
  * [조건문과 반복문](/java/java/undefined/java-conditionandloop.md)
  * [참조 타입](https://github.com/dh00023/TIL/tree/ea567accdafd400ed913367c02b685532e34993f/Java/문법/java-referenceType.md.md)
  * [클래스](/java/java/undefined/java-class.md)
  * [상속(Inheritance)](https://github.com/dh00023/TIL/tree/ea567accdafd400ed913367c02b685532e34993f/Java/문법/java-inheritance.md.md)
  * [인터페이스(Interface)](/java/java/undefined/java-interface.md)
  * [중첩 클래스와 중첩 인터페이스](/java/java/undefined/java-nested.md)
  * [예외 처리](/java/java/undefined/java-exception.md)
  * [API - Object, System, Class, Math, Wrapper](/java/java/undefined/java-api.md)
  * [API - String, StringBuffer, StringBuilder](/java/java/undefined/java-string.md)
  * [Thread](/java/java/undefined/java-thread.md)
  * [Generic](/java/java/undefined/java-generic.md)
  * [Lambda](/java/java/undefined/java-lambda.md)
  * [Collection - List, Set](/java/java/undefined/java-collection.md)
  * [Collection - Map](/java/java/undefined/2020-03-13-map.md)
  * [Collection - Tree](/java/java/undefined/2020-03-24-tree.md)
  * [Collection - Stack, Queue](/java/java/undefined/2020-03-24-stackandqueue.md)
  * [Stream](/java/java/undefined/2020-03-25-stream.md)
  * [Reflection](/java/java/undefined/2019-01-21-reflection.md)
  * [정규표현식](/java/java/undefined/regexp.md)
  * [GUI](/java/java/undefined/gui.md)
  * [UML](/java/java/undefined/uml.md)
  * [Serializable](/java/java/undefined/2021-01-18-serializable.md)
* Advanced
  * [OutOfMemoryError](/java/java/advanced/2021-01-23-outofmemoryerror.md)
  * [AutoValue](/java/java/advanced/2020-02-02-autovalue.md)
  * meta-annotation
    * [@Retention](/java/java/advanced/meta-annotation/2021-06-12-retention-annotation.md)
    * [@Target](/java/java/advanced/meta-annotation/2021-06-12-target-annotation.md)
    * [@Repeatable](/java/java/advanced/meta-annotation/2021-06-13-repeatable-annotation.md)
* [Effective Java 3/E](/java/java/effective_java.md)
  * [ITEM 1: Static Factory Method(정적 메소드)](/java/java/effective_java/2021-01-12-static-factory-methods.md)
  * [ITEM 2: Builder Pattern](/java/java/effective_java/2021-01-13-builder-pattern.md)
  * [ITEM 3: Singleton](/java/java/effective_java/2021-01-14-singleton.md)
  * [ITEM 4: Private Constructor](/java/java/effective_java/2021-01-16-private-constructor.md)
  * [ITEM 5: Dependency Injection](/java/java/effective_java/2021-01-16-dependency-injection.md)
  * [ITEM 6: Avoid Unnecessary Object](/java/java/effective_java/2021-01-22-avoid-unnecessary-object.md)
  * [ITEM 7: Eliminate Object Reference](/java/java/effective_java/2021-01-22-eliminate-object-reference.md)
  * [ITEM 8: Avoid finalizer and cleaner](/java/java/effective_java/2021-01-25-avoid-finalizer-and-cleaner.md)
  * [ITEM 9: try-with-resources](/java/java/effective_java/2021-01-25-try-with-resources.md)
  * [ITEM 10: The gerneral contract when overriding equlas](/java/java/effective_java/2021-02-01-overriding-equals.md)
  * [ITEM 11: Overriding hashCode](/java/java/effective_java/2021-02-02-overriding-hashcode.md)
  * [ITEM 12: overriding toString](/java/java/effective_java/2021-02-03-overriding-tostring.md)
  * [ITEM 13: overriding clone judiciously](/java/java/effective_java/2021-02-03-overriding-clone-judiciously.md)
  * [ITEM 14: Consider implementing comparable](/java/java/effective_java/2021-02-04-comparable.md)
  * [ITEM 15: 클래스와 멤버의 접근을 최소화해라](/java/java/effective_java/2021-02-11-minimize-class-and-memeber.md)
  * [ITEM 16: Use Accessor methods](/java/java/effective_java/2021-02-11-use-accessor-method.md)
  * [ITEM 17: 변경 가능성을 최소화해라(불변 클래스)](/java/java/effective_java/2021-02-11-minimize-mutability.md)
  * [ITEM 18: 상속보단 컴포지션을 사용해라](/java/java/effective_java/2021-02-12-use-composition.md)
  * [ITEM 19: 상속을 고려해 설계하고 문서화해라](/java/java/effective_java/2021-02-13-design-inheirtance.md)
  * [ITEM 20: 추상 클래스보다 인터페이스를 우선하라](/java/java/effective_java/2021-02-13-prefer-interface.md)
  * [ITEM 21: 인터페이스는 구현하는 쪽을 생각해 설계해라.](/java/java/effective_java/2021-02-13-design-interface-for-posterity.md)
  * [ITEM 22: 인터페이스는 타입을 정의하는 용도로만 사용해라](/java/java/effective_java/2021-02-13-use-interface-to-define-type.md)
  * [ITEM 23: 태그 달린 클래스보다 클래스 계층구조를 활용해라](/java/java/effective_java/2021-02-14-use-class-hirarchies.md)
  * [ITEM 24: 멤버 클래스는 되도록 static으로 구현해라](/java/java/effective_java/2021-02-14-favor-static-memeber.md)
  * [ITEM 25: 톱레벨 클래스는 한 파일에 하나만 생성해라.](/java/java/effective_java/2021-02-14-limit-single-top-level-class.md)
  * [ITEM 26: Raw type은 사용하지 마라](/java/java/effective_java/2021-05-19-generic-dont-use-raw-type.md)
  * [ITEM 27: 비검사 경고를 제거해라](/java/java/effective_java/2021-05-20-remove-unchecked-warning.md)
  * [ITEM 28: 배열보다는 리스트를 사용해라](/java/java/effective_java/2021-05-21-use-list-rather-than-array.md)
  * [ITEM 29: 이왕이면 제네릭 타입으로 만들어라](/java/java/effective_java/2021-05-22-make-generic-type.md)
  * [ITEM 30: 이왕이면 제네릭 메서드로 만들어라](/java/java/effective_java/2021-05-29-make-generic-method.md)
  * [ITEM 31 : 한정적 와일드카드를 사용해 API 유연성을 높여라](/java/java/effective_java/2021-05-30-use-bounded-wildcards.md)
  * [ITEM 32: 제네릭과 가변인수를 함께 쓸 때는 신중해라](/java/java/effective_java/2021-05-30-careful-when-using-generic-and-varargs.md)
  * [ITEM 33: 타입 안전 이종 컨테이너를 고려해라](/java/java/effective_java/2021-05-31-consider-type-safe-heterogeneous-container.md)
  * [ITEM 34: int 상수 대신 열거 타입을 사용해라](/java/java/effective_java/2021-06-05-use-enum-type.md)
  * [ITEM 35: ordinal 메서드 대신 인스턴스 필드를 사용해라](/java/java/effective_java/2021-06-06-use-instant-field.md)
  * [ITEM 36: 비트 필드 대신 EnumSet을 사용해라](/java/java/effective_java/2021-06-06-use-enumset.md)
  * [ITEM 37: ordinal 인덱싱 대신 EnumMap을 사용해라](/java/java/effective_java/2021-06-06-use-enummap.md)
  * [TEM 38 : 확장할 수 있는 열거타입이 필요하면 인터페이스를 사용해라](/java/java/effective_java/2021-06-06-enum-type-implements-interface.md)
  * [ITEM 39: 명명 패턴보다 애너테이션을 사용해라](/java/java/effective_java/2021-06-13-use-annotation.md)
  * [ITEM 40: @Override 어노테이션을 일관되게 사용해라](/java/java/effective_java/2021-06-14-consistently-use-override-annotation.md)
  * [ITEM 41: 정의하려는 것이 타입이라면 마커 인터페이스를 사용해라](/java/java/effective_java/2021-06-14-use-marker-interfaces-to-define-types.md)
  * [ITEM 42: 익명 클래스보다는 람다를 사용해라](/java/java/effective_java/2021-06-19-prefer-lambdas-to-anonymous-classes.md)
  * [ITEM 43: 람다보다는 메서드 참조를 사용해라](/java/java/effective_java/2021-06-20-prefer-method-references-to-lambdas.md)
  * [ITEM 44: 표준 함수형 인터페이스를 사용해라](/java/java/effective_java/2021-06-20-favor-the-use-of-standard-functional-interfaces.md)
  * [ITEM 45: 스트림은 주의해서 사용해라](/java/java/effective_java/2021-06-20-use-streams-judiciously.md)
  * [ITEM 46: 스트림에서 부작용 없는 함수를 사용해라](/java/java/effective_java/2021-06-27-prefer-side-effect-free-fucntional-interface.md)
  * [ITEM 47: 반환 타입으로는 스트림보다 컬렉션이 낫다.](/java/java/effective_java/2021-06-28-prefer-collection-to-stream-as-retrun-type.md)
  * [ITEM 48: 스트림 병렬화는 주의해서 사용해라](/java/java/effective_java/2021-06-28-use-caution-when-making-streams-pararrel.md)
  * [ITEM 49: 매개변수가 유효한지 검사해라](/java/java/effective_java/2021-07-04-check-parameters-for-validity.md)
  * [ITEM 50: 적시에 방어적 복사본을 만들어라](/java/java/effective_java/2021-07-04-make-defensive-copies-when-needed.md)
  * [ITEM 51: 메서드 시그니처를 신중히 설계해라](/java/java/effective_java/2021-07-05-design-method-signatures-carefully.md)
  * [ITEM 52: 다중정의는 신중히 사용해라](/java/java/effective_java/2021-07-05-use-overloading-judiciously.md)
  * [ITEM 53: 가변인수는 신중히 사용해라](/java/java/effective_java/2021-07-11-use-varargs-judiciously.md)
  * [ITEM 54: null이 아닌, 빈 컬렉션이나 배열을 반환해라](/java/java/effective_java/2021-07-12-return-empty-collections-or-arrays-not-null.md)
  * [ITEM 55: Optional 반환은 신중하게 해라](/java/java/effective_java/2021-07-12-return-optionals-judiciouly.md)
  * [ITEM 56: 공개된 API 요소에는 항상 주석을 작성해라](/java/java/effective_java/2021-07-12-write-doc-comments-for-all-exposed-api-elements.md)
  * [ITEM 57: 지역변수의 범위를 최소화해라](/java/java/effective_java/2021-07-25-minimize-the-scope-of-local-variables.md)
  * [ITEM 58: 전통적인 for 문보다는 for-each문을 사용해라](/java/java/effective_java/2021-07-25-prefer-foreach-loops-to-traditional-for-loops.md)
  * [ITEM 59: 라이브러리를 익히고 사용해라](/java/java/effective_java/2021-07-25-know-and-use-the-libraries.md)
  * [ITEM 60: 정확한 답이 필요하다면 float와 double은 피해라](/java/java/effective_java/2021-07-25-avoid-float-and-double-if-exact-answers-are-required.md)
  * [ITEM 61: 박싱된 기본 타입보다는 기본 타입을 사용해라](/java/java/effective_java/2021-07-25-prefer-primitivie-types-to-boxed-primitives.md)
  * [ITEM 62: 다른 타입이 적절하다면 문자열 사용을 피해라](/java/java/effective_java/2021-07-25-avoid-strings-where-other-types-are-mmore-appropriate.md)
  * [ITEM 63: 문자열 연결은 느리니 주의해라](/java/java/effective_java/2021-07-31-beware-the-performance-of-string-concatenation.md)
  * [ITEM 64: 객체는 인터페이스를 사용해 참조해라](/java/java/effective_java/2021-07-31-refer-to-objects-by-their-interfaces.md)
  * [ITEM 65: 리플렉션보다는 인터페이스를 사용해라](/java/java/effective_java/2021-07-31-prefer-interfaces-to-reflection.md)
  * [ITEM 66: 네이티브 메서드는 신중히 사용해라](/java/java/effective_java/2021-07-31-use-native-methods-judiciously.md)
  * [ITEM 67: 최적화는 신중히 해라](/java/java/effective_java/2021-07-31-optimize-judiciously.md)
  * [ITEM 68: 일반적으로 통용되는 명명 규칙을 따라라](/java/java/effective_java/2021-07-31-adhere-to-generally-accepted-naming-conventions.md)
* [객체지향 설계 원칙(SOLID)](/java/java/2020-03-21-solid.md)
* [Design Pattern](/java/java/design_pattern.md)
  * [Strategy Pattern](/java/java/design_pattern/2020-03-21-strategy_pattern.md)
  * [Template Method Pattern](/java/java/design_pattern/2020-03-20-template_method_pattern.md)
  * [Factory Method Pattern](/java/java/design_pattern/2020-03-20-factory_method_pattern.md)
  * [Singleton Pattern](/java/java/design_pattern/singleton_pattern.md)
  * [Delegation Pattern](/java/java/design_pattern/delegation_pattern.md)
  * [Proxy Pattern](/java/java/design_pattern/proxy_pattern.md)
  * [Adapter Pattern](/java/java/design_pattern/2021-02-14-adapter-pattern.md)
* [실습](/java/java/undefined-1.md)
  * [인터페이스 실습 - Vehicle](/java/java/undefined-1/vehicle.md)
  * [인터페이스 실습 - Remote](/java/java/undefined-1/remote.md)
  * [GUI 실습 - Calculator](/java/java/undefined-1/calculator.md)
  * [GUI 실습 - button](/java/java/undefined-1/button.md)
  * [GUI 실습 - lotto](broken://pages/-MfwvvMTUq153paPpi1F)
  * [Thread 실습 - 좌석예약, 메세지보내기](broken://pages/-MfwvvMTUq153paPpi1F)
* [Jar vs War](/java/java/2021-05-23-jar-vs-war.md)