软件开发中，软件复用和团队协作都一直是最为人们关注的重要问题之一。有趣的是，这两个似乎属于软件工程范畴的问题都有一个共同的技术方面的解决之道：设计模式。-Software development, software reuse and teamwork have been the most important issues of concern to the people one. Interestingly, these two seem to fall within the scope of