File list (Check if you may need any files):
Student\.classpath
.......\.project
.......\.settings\org.eclipse.jdt.core.prefs
.......\bin\Student_1\Console.class
.......\...\.........\stu_Main.class
.......\...\student_2\sex.class
.......\...\.........\stu_Model.class
.......\...\........3\stu_Add.class
.......\...\.........\stu_Cha.class
.......\...\.........\stu_ChaSuo.class
.......\...\.........\stu_Gai.class
.......\...\.........\stu_OPstudent.class
.......\...\.........\stu_shan.class
.......\src\Student_1\Console.java
.......\...\.........\stu_Main.java
.......\...\student_2\sex.java
.......\...\.........\stu_Model.java
.......\...\........3\stu_Add.java
.......\...\.........\stu_Cha.java
.......\...\.........\stu_ChaSuo.java
.......\...\.........\stu_Gai.java
.......\...\.........\stu_OPstudent.java
.......\...\.........\stu_shan.java
.......\bin\Student_1
.......\...\student_2
.......\...\student_3
.......\src\Student_1
.......\...\student_2
.......\...\student_3
.......\.settings
.......\bin
.......\src
Student