Introduction - If you have any usage issues, please Google them yourself
1. Design a simple student management system (StudentManager). Key features include:
(1) The entry of student information. Including: Student ID (no), name (name), aged (age), sex (gender) and the like
(2) query the student information. According to school, name, age and sex inquiry student information. Note: query results may not be unique.
(3) amend the student information. Query based on student number to the designated student information, and then replaced with new content.
(4) delete student information. Designated students with information based on student number removed.
Design, the use of hierarchical design method, the class is divided into the interface layer (ui), the functional layer (business) and persistence (persistence) 3 layers in different sub-packages. The system code in the exe4_1 package.