TheServerSide

RESTful APIs tutorial: Learn key web service design principles

It's not hard to create a RESTful web service in Java. In fact, frameworks like Spring Boot, the Eclipse MicroProfile and Jakarta Enterprise Edition make the development of RESTful Java applications ...
TheServerSide

Java Supplier interface example for functional programming

There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, but ...
InfoQ

Reactor by Example

Reactor is a reactive streams library targeting Java 8 and providing an Rx-conforming API It uses the same approach and philosophy as RxJava despite some API differences It is a 4th generation ...
InfoWorld

Java persistence with JPA and Hibernate: Entities and relationships

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...
Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...