Against any reason, discussions about performance are very popular among software developers. This article explains why most of them are superfluous or premature. It shows examples of such discussions and gives tips on when and how to improve performance.
Cyclic dependencies among Classes are a common issue in software development. They are best resolved at design level. This article explains how to do this. It also provides some intuitive insights into Interfaces and dependencies. Continue reading
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. Continue reading
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. Continue reading
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. Continue reading
Every good software is based on fundamental principles, every developer should know. This article explains the single responsibilities principle using a simple example. It introduces a new diagram to identify responsibilities of a class and a simple refactoring to get rid of multiple responsibilities. Continue reading
In software development one can highly profit from using graphical representations, instead of reading the code directly. This article uses a simple example, to demonstrate the advantages of diagrams over code. This first part, is about understanding the status quo of an existing software. Continue reading