All in one java file !
Using Lombok, Jpa/Hibernate, Spring-Data , Spring Rest-Controler, Spring Data-Rest

All in one java file :

1 . Creation of 2 entities : Students and Laboratories with Lombok
(relationship oneToMany between Laboratories and Students)

2. Mapping Object/Relational : with Jpa/Hibernate

3. Creation of interface Repositories on Students and Laboratories : with Spring-Data

4. Creation of WebServices Rest on Students and Laboratories : with Spring Rest-Controler

5. Creation of WebServices Rest on Students and Laboratories : with Spring-Data-Rest
   Creation of a projection on Students

6. Fill the database using studentRepositorie and laboratoryRepository

Rest-controler :
http://localhost:8080/api/students
http://localhost:8080/api/laboratories

SpringDataRest :
http://localhost:8080/laboratories
http://localhost:8080/students
http://localhost:8080/students/1?projection=p1