Software development technologies and trends are not particularly tangible things, yet we need to reason on them. At Arolla, the company I’m part of, we’ve designed an « ancient world map » of software development, as a cartography of the universe of software development we live in. Built for our own purpose, we also share it so [...]
The untold art of Composite-friendly interfaces
avr 19th, 2011
The Composite pattern is a very powerful design pattern that you use regularly to manipulate a group of things through the very same interface than a single thing. By doing so you don’t have to discriminate between the singular and plural cases, which often simplifies your design. Yet there are cases where you are tempted [...]
In the first part of this article we introduced predicates, which bring some of the benefits of functional programming to object-oriented languages such as Java, through a simple interface with one single method that returns true or false. In this second and last part, we’ll cover some more advanced notions to get the best out [...]
You keep hearing about functional programming that is going to take over the world, and you are still stuck to plain Java? Fear not, since you can already add a touch of functional style into your daily Java. In addition, it’s fun, saves you many lines of code and leads to fewer bugs. What is [...]
Key insights that you probably missed on DDD
sept 22nd, 2010
As suggested by its name, Domain-Driven Design is not only about Event Sourcing and CQRS. It all starts with the domain and a lot of key insights that are too easy to overlook at first. Even if you’ve read the « blue book » already, I suggest you read it again as the book is at the [...]
What next language will you choose?
juin 28th, 2010
Now that enterprises have chosen stable platforms (JVM and .Net), on top of which we can choose a syntax out of many available, which language will you pick up as your next favourite? New languages to have a look at (my own selection) Based on what I read everyday in various blogs, I arbitrarily reduced [...]
Patterns express intents
sept 6th, 2009
Patterns represent a couple (intent, solution); sometime they refer to a solution, more often they essentially represents an intent, independently of its solution. Sometimes the solution part of patterns includes a trick or a workaround to overcome the limits of a language, but patterns cannot be reduced to that trick. Indeed, a very important role [...]
Choosing good names for your Java classes
avr 27th, 2006
With Object-Oriented programming we often have many classes, therefore it is really important to name them well. It’s amazing how I can spend so much time searching for good names for classes, and I do think it is worth doing it well, after all naming is all about making the code easy to read and [...]
UML is a too low level language
mar 15th, 2005
I recently taught design pattern to 20 of my co-workers in a kind of training session, here are some thoughts I had while preparing this presentation… In OO you usually end up with many classes, especially when you correctly use design patterns; each class is also generally very simple and rather short. Thus classes are [...]
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All original material of whatever nature created by Cyrille Martraire and included in this weblog and any related page, including the weblog's archive, is licensed under a Creative Commons License.
