The Four Elements of Simple Design

I am slowly reading blog of J.B. Rainsberger. I found it years ago thanks to book JUnit Recipes, but somehow I lost it.

I have found very interesting article there - The Four Elements of Simple Design. I find it fitting very well into my experience with design.

I claim that developing strong skills of detecting duplication, removing duplication, identifying naming problems, and fixing naming problems equates to learning everything ever written about object-oriented design.