java开发的具有留言板功能的学生管理系统，具有增删改查功能-java development with the message board feature student management system, with additions and deletions to search function

用java编写的一个进销存管理系统的，大家看看怎么样，看后记得留言哦！-Prepared using a java inventory management system, we look at how to see and be sure to shout Oh! Thank you