I'd like to share with you a small experience with bad programming practices I had just yesterday. I made a Struts-based application a while ago, when my experience with J2EE application was at its beginning. I wrote a "Business Delegate" (the quotes are intentional) that had an HttpServletRequest and ActionForms in its parameters, therefore it had a tight connection to Struts. I was thinking it was the fastest solution to write code. After a while (about 6 months) when my experience was greater, I wrote another business delegate (a real one this time) with no reference to Struts and servlets at all, thinking it will be useful in the future. Yesterday I had to modify a classic (i.e. with a GUI) application that needed those business delegates wrote before. As you may realize, I had no problem with the second one, but with the first one... I am still modifying the "wrong" business delegate (and consequently all the calling code). Conclusion: beware of bad programming practices. You may think that writing code in a certain "faster" way will consume less time. But when you need to change something or reuse code, you will see that using design patterns and other nice things will make you happier later :-P Ciao Antonio Petrelli
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