Learn to be a better Java programmer by mastering Java 8 API design, exposing a well-designed API, making sure that client code can use lambdas, and more.

Oracle has finally released Java SE 9, now available on the Oracle Technology Network. As usual the official end-user portal java.com will switch versions later, so for now it still distributes Jav… (more…)

Java API for RESTful Web Services JAX-RS 2.1 was released, with support for server-sent events, JSON-B, improved support for JSON-P, and a reactive extension to the client API... (more…)

How JPA and SQL together achieve something that one alone could not. (more…)

Codename One allows developers to write in Java and build them into native code for various mobile platforms. Too good to be true? Aldo Ziflaj investigates.