Dependencies and Arrowheads

Dependencies burden your design

Fixing one bug often causes multiple new bugs. This article explains why by introducing some basics about dependencies. It also briefly introduces parts of UML to visualize these dependencies.

Code Smell: Feature Envy

Are your classes green with envy?

Methods suffer from Feature Envy, if they use other classes more than their own. This article describes why this is bad design, how to visualize feature envy and how to cure it. 

Code Smell: Data Class

Dumb Data Class

This articles describes what’s bad about dumb data holding classes. It describes how to refactor Data Classes. Also Code Smells are introduced briefly, of which Data Class is one.