Playing Dumb isn’t Agile
I believe that Agile software development is ideal for discovering what really needs to be built and to build it in a way that it will last, but I don’t believe that Agile is required on every project. There are many kinds of projects and many reasons for not doing Agile. I’ve written quite a …
Continue reading “Playing Dumb isn’t Agile”
Read MoreBuild What Users Want
Our users are only human and its human nature not to always know exactly what we want. I realize that sometimes we have to build software on specifications and all the requirements are needed to be identified upfront. But statistically, it is rarely the case that all requirements are needed. It turns out that nearly …
Continue reading “Build What Users Want”
Read MoreAggregation or Composition
I often get questions when I teach object-oriented programming about the difference between aggregation and composition. These are two relationships that are easy to confuse. Aggregation in the UML class diagram is represented by an open diamond whereas composition is represented as a closed or filled-in diamond. Related to this is the “uses” or “depends …
Continue reading “Aggregation or Composition”
Read MoreThinking with Objects
It took me more than a decade of doing object-oriented programming-and then teaching it-before I really started to understand the subtle power of using objects, and how to create behavior through the interaction of objects rather than through program logic. I struggled for many years with how to explain this different way of thinking. It’s …
Continue reading “Thinking with Objects”
Read More