Project Amber has brought a number of new features to Java in recent years. While each of these features are self-contained, they are also designed to work together. Specifically, records, sealed classes, and pattern matching work together to enable easie... (more…)

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may extend it. Sealed classes, like enums, capture alternative... (more…)

Open source RMIScout performs wordlist and brute-force attacks against exposed Java RMI interfaces to safely guess method signatures without invocation. (more…)

In July 2017, Java 9 will be released including the brand-new module system. This short introduction gets you started with modular development in Java 9. (more…)

Recently I've had a need to use Java Mission Control (JMC) to look at some Java Flight Recorder (JFR) files for a piece of code I've been analysing for performance issues. The piece of code didn't require being run in production so I decided to do the ana... (more…)