SpringBoot_Project

W1

• 1.1 SpringBoot layer: controller, entity, service, DAO
• 1.2 @SpringBootApplication: start for the spring-boot app， combination of @SpringBootConfiguration, @EnableAutoConfiguration, @ComponentScan (scans @Component, @Service, @Repository, @Controller
• 1.3 JpaRepository: => It is Spring Data JPA, simplifying the operation of CRUD
• 2.1 POJO VS Entity: All Entities are part of POJO. POJO may not be entity