analyzed pattern
6.Because software reengineering and software pattern have much to do with the software reusability, the thesis analyzed the idea of reusability and the strategy of reusability in the pattern oriented software reengineering from software reengineering and software pattern, and provided some simple design principle of them.
9.Introduced the J2EE overhead construction level pattern and the EJB module technology, analyzed the universities result management system characteristic, and developed one result management system using the level pattern and the EJB module technology design, and explained used the level pattern and the EJB module technology merit.

