File list (Check if you may need any files):
Student\.classpath
.......\.project
.......\student\AddGrade.class
.......\.......\AddGrade.java
.......\.......\AddStudent.class
.......\.......\AddStudent.java
.......\.......\DeleteGrade$1.class
.......\.......\DeleteGrade.class
.......\.......\DeleteGrade.java
.......\.......\DeleteStudent$1.class
.......\.......\DeleteStudent.class
.......\.......\DeleteStudent.java
.......\.......\GetGrade$1.class
.......\.......\GetGrade.class
.......\.......\GetGrade.java
.......\.......\GetStudent$1.class
.......\.......\GetStudent.class
.......\.......\GetStudent.java
.......\.......\Info_Manage$1.class
.......\.......\Info_Manage.class
.......\.......\Info_Manage.java
.......\.......\SetGrade.class
.......\.......\SetGrade.java
.......\.......\SetStudent.class
.......\.......\SetStudent.java
.......\.......\student_manage$1.class
.......\.......\student_manage.class
.......\.......\student_manage.java
.......\.......\UsingExit$1.class
.......\.......\UsingExit.class
.......\.......\UsingExit.java
.......\student_info.ldb
.......\student_info.mdb
.......\wyf\AddGrade.class
.......\...\AddGrade.java
.......\...\AddTeacher.class
.......\...\AddTeacher.java
.......\...\DeleteGrade$1.class
.......\...\DeleteGrade.class
.......\...\DeleteGrade.java
.......\...\DeleteTeacher$1.class
.......\...\DeleteTeacher.class
.......\...\DeleteTeacher.java
.......\...\GetGrade$1.class
.......\...\GetGrade.class
.......\...\GetGrade.java
.......\...\GetTeacherStudent$1.class
.......\...\GetTeacherStudent.class
.......\...\GetTeacherStudent.java
.......\...\InfoData.class
.......\...\Info_Manage$1.class
.......\...\Info_Manage.class
.......\...\Info_Manage.java
.......\...\SetGrade.class
.......\...\SetGrade.java
.......\...\SetTeacher.class
.......\...\SetTeacher.java
.......\...\teacher_info.ldb
.......\...\teacher_info.mdb
.......\...\Teacher_manage$1.class
.......\...\Teacher_manage.class
.......\...\Teacher_manage.java
.......\...\UsingExit$1.class
.......\...\UsingExit.class
.......\...\UsingExit.java
.......\student
.......\wyf
Student