Quick and practical guide to Java 8's CompletableFuture.

Java 9 is coming! Besides Jigsaw it brings new language features and many new and improved APIs. This is the ultimate guide to all that's new in Java 9.

A quick and practical guide to the most interesting features coming to Java 9.

Steganography:

A comprehensive, super detailed guide on getting JSON Web Tokens right with JWTs.

For an Android application to be responsive, you need to prevent the UI thread from blocking. Responsiveness also increases when blocking…

Explaining the difference between Mock Objects and Stubs (together with other forms of Test Double). Also the difference between classical and mockist styles of unit testing.