Delve into creating REST APIs with Spring Framework, integrating databases with JPA, implementing Aspect-Oriented Programming, unit testing, and documenting with Springfox, and monitoring with Spring Boot Actuator.

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In this advanced-level course, you’ll learn to create REST APIs using the Spring Framework. The course gives a detailed experience in designing, implementing, and documenting REST APIs with end-to-end features like database integration and monitoring.

Firstly, you'll set up a Spring Boot project and create fully-functional REST APIs to manage your to-do lists. Secondly, you’ll learn database integration using Spring Data JPA and consume APIs using various tools such as cURL, Postman, and the Swagger UI. Thirdly, you'll learn Aspect-Oriented Programming (AOP) in Spring and Unit test the APIs using Spring Framework. Lastly, you’ll learn to document APIs using Springfox and Spring REST Docs and monitor them using the Spring Boot Actuator. 

By the end of this course, you'll be confident to design, implement, and document REST APIs end-to-end using the Spring Framework, including advanced topics like AOP, Unit Testing, and Monitoring.

REST APIs with Spring, JPA, and Springfox

# Use the repository in the `update` method of the service

Like the POST and GET REST APIs, we can integrate the PUT REST API into the database. To do this, we can use the already discussed `save` method of the `CrudRepository`.

It is important to note that the JPA’s `save` method looks for an existing unique identifier (id). If found, it updates the already existing object. Otherwise, it adds a new one to the database.

So, let’s modify the `update` method of the `TodoService`.

Let’s learn to integrate the PUT REST API to update an entity object into the database by using the JPA repository.

Introduction to Spring Boot

Develop REST APIs

Database Integration With Spring Data JPA

REST APIs With Spring Data REST

Aspect Oriented Programming

Spring Framework Testing

Consuming APIs

API Documentation With Swagger

API Documentation Using Spring REST Docs

Spring Boot Actuator

Wrapping Up

Integrate PUT REST APIs to JPA Repository

Use the repository in the `update` method of the service

`TodoService`

Integrate PUT REST APIs to JPA Repository

Use the repository in the update method of the service

TodoService

Use the repository in the `update` method of the service

`TodoService`