SpringBoot

1.의존관계 주입 (Dependency Injection)

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2.[JPA] - createdAt, updatedAt 자동 입력

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3.[JPA] - Enum 타입 사용 방법

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4.JUnit5 - Assertion 메소드

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5.[Thymeleaf] Controller 반환 타입(String타입 - templates밑의 html파일 명과 매핑되는 이유)

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6.[Spring] 스프링 패키지 구조 (DAO, DTO, Domain, Repository

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7.[JPA] Entity와 JpaRepository

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8.[SpringBoot] @SpringBootTest 와 @WebMvcTest

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9.[Thymeleaf] - form 관련 기능 정리

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10.[Thymeleaf] 문법

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11.[Spring Boot] Error - Cannot import javax.validation.constraints

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12.[Error] Swagger - Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException

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13.[Swagger] Swagger 설정 (SpringBoot 2.6v 이상 3.0 이하)

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14.[Spring] Spring 패키지 구조

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15.[Spring] ResponseEntity

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16.[Spring Boot] SpringBoot Test (given-when-then)

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17.[SpringBoot] @Valid, @Validated 를 활용한 유효성 검사 (~ing)

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