Implementation by capture with executable UML

Despite all the progress and raise of abstraction involved in the software development, the main building block of each software system is still the traditional, mostly manually written, "line of code". This paper is about the solution to low-level model behavior "coding", applied by my team in the context of development of the executable UML tool "Enterprise Analyst". Writing computer programs requires knowledge and skill. Programmers must learn and memorize a large knowledge base of rules and must be able to "foresee " the execution of code, while writing it. In addition, manual codification is highly error prone process. Any improvement in the realization of this essential software activity will naturally bring improvement in resulting software system as a whole. We have designed and implemented a variation of the technique known as "programming by example", with the basic idea in "teaching " the machine how to perform sequence of tasks instead of "programming" it.