The canonical reference for building a production grade API with Spring
THE unique Spring Security education if you’re working with Java today
From no experience to actually building stuff
The full guide to persistence with Spring Data JPA
Master the most popular Java testing framework.
Simplify Your Build with Apache Maven
Master persistence with the Java specification and Hibernate implementation
Enhance your unit tests through practical mocking
The high level overview of all the articles on the site.
Discover all of our eBooks
About Baeldung.
Primitive data types represent the basic types in Java API. Learn how to use them and perform different conversions between them by reading the list of guides below.