I just announced the new "Learn Spring" course.
As always, the intro-level pricing will change permanently after the announcement period (ends on Friday).
The "REST API with Spring" tutorial Series
The "Spring Security" tutorial Series
The “Persistence with Spring” Tutorial
The “JSON with Jackson” Tutorial Series
The “HttpClient” Tutorial Series
The “Java – Back to Basics” Tutorial Series
The “Java Collections” Tutorial Series
The “Java Concurrency” Tutorial Series
The “Java Streams” Tutorial Series
The “Learn Spring Boot” Tutorial Series