Java

Java tricks and pitfalls

As my Java developer took off, I came across buggy code, which gave me and my colleagues a hard time in figuring out what the issue was. 
I would like to share some of them here and, hopefully, ease your work. Needless to say, feedback is welcome and heard.

Why I would not choose Java to run in Kubernetes

Together with the rise of Java , Java Applications Servers (e.g Tomcat, IBM WAS) also came into the game. The idea of an application server was to have one JVM and to run multiple deployments (e.g. jar, ear, war), this way the memory foot print…

The Ultimate International RoboCode Tournament

Compete, have fun and win prizes

Our own Robocode contest

Robocode is a game where you write the code for a tank like mini robot. Then your code gets to play against other people. Ten such robots are pitted against each other, and they gain points by shooting or ramming into other robots.

Java 8 Optional — A practical use case

How many times in your developer life have you encountered a NullPointerException? I would bet your answer to this question is “too many to count”.

In Java, null values are a convenient way to model “the absence of a value”. But it was…

Java memory footprint — part 1

Understanding the way memory works is both useful and practical. To fully grasp the more advanced concepts takes a lot of time and effort. However, understanding the biggest issues and developing a set of best practices requires a much smaller investment.

Lambda expressions — a simple way to get acquainted with Java 8

The beauty of adopting java 8 early on is that it gives an extra option to developers. Namely if a project ports to using java 8 but code is still mostly written in a java 7 fashion, one can incrementally add or use…