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…

Messaging — Kafka implementation using puppet

As human beings need to interconnect and interact with each other, so do systems. And our corporate landscape has lots of them, be it legacy or brand-new systems.

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…

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.

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.

Leadership in an Agile Environment — not one man’s job

As Agile has become the norm in software development industry, the idea of cross-functional and self-managed teams became very popular. In these conditions, one hasty conclusion immediately emerges: if we want our organizations to be…

Test repository definition for data warehousing

I. Introduction

As soon as software programming emerged, software testing has been discussed, standardized and proven to bring quality to the final deliverable.

The Ultimate International RoboCode Tournament

Compete, have fun and win prizes