Introduction To JUnit Theories

Have you ever read a mathematical theory? It typically reads something like this: For all a, b > 0  the…

Read More »

The Purpose of Documentation

When it comes to documentation the Agile Manifesto says: We have come to value working software over comprehensive documentation And…

Read More »

The Importance of Packages

I remember approximately 15 years ago when I started learning Java. I read a lot about this ‘package’ thing and…

Read More »

Naming Antipatterns

One of these annoying challenges when coding is finding proper names for your classes. There are some tools available making…

Read More »

About Java Packages

I hope we all agree that methods an classes should be small and have only few dependencies. This point of…

Read More »

Tips for Testing Database Code

Almost everybody understands that source code belongs into version control. Many people understand we need to test our code. Quite…

Read More »

My Testing and Code Analysis Toolbox

Last week we kicked of a “Testing Skill Group” at LINEAS, a group for exchanging knowledge about testing. One question…

Read More »

The Three Ways to Work with Code

Obviously you read code more often than you write it. Nothing new here. This fact is brought up often when…

Read More »

Technical debt & the Boiling Frog

I hope everybody among my readers is familiar with the concept of technical debt: If you do a quick hack…

Read More »