Summary

In this chapter, we learned what DI is and how to use DI in the Spring Boot framework, which we are using in our backend. It’s good to understand the basics of dependency injection and how it’s implemented in Spring framework.In the next chapter, we will look at how we can use the Java Persistent API (JPA) with Spring Boot and how to set up a MariaDB database. We will also learn about the creation of CRUD repositories and the one-to-many connection between database tables.