This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks.

SonarQube, originally known as simply Sonar, is an open source tool that can inspect both the source code and the compiled code of over 20 different languages, including Java, JavaScript, Swift, ...

Use Java assertions to test your assumptions about program correctness and check them in your code.

It's better to persist data with Hibernate and Java Persistence API or save information to a NoSQL database, but that is beyond the scope of this JAX-RS tutorial. Step 3: Code the JAX-RS Service class ...