📂 src
┣ 📂 java.com.dnd.exercise
┃ ┣ 📂 domain
┃ ┃ ┣ 📂 sample
┃ ┃ ┣ 📂 controller
┃ ┃ ┣ 📂 dto
┃ ┃ ┃ ┣ 📂 request
┃ ┃ ┃ ┣ 📂 response
┃ ┃ ┣ 📂 service
┃ ┃ ┣ 📂 entity
┃ ┃ ┣ 📂 repository
┃ ┃ ┣ 📂 exception
┃ ┣ 📂 global
┃ ┃ ┣ 📂 common
┃ ┃ ┃ ┣ ResponseDto.class
┃ ┃ ┃ ┣ BaseEntity.class
┃ ┃ ┣ 📂 config
┃ ┃ ┃ ┣ SwaggerConfig.class
┃ ┃ ┣ 📂 error
┃ ┃ ┣ 📂 dto
┃ ┃ ┃ ┣ ErrorResponse.class
┃ ┃ ┃ ┣ ErrorCode
┃ ┃ ┣ 📂 exception
┃ ┃ ┃ ┣ BusinessException.class
┃ ┃ ┣ 📂 handler
┃ ┃ ┣ GlobalExceptionHandler.class
┣ 📂 resources
┃ ┣ 📂 static
┃ ┣ 📂 templates
┃ ┣ application.properties
┣ ExerciseApplication.class
