File list (Check if you may need any files):
TestStudent
...........\.classpath
...........\.project
...........\data
...........\....\Course.class
...........\....\Course.java
...........\....\Student.class
...........\....\Student.java
...........\....\Teacher.class
...........\....\Teacher.java
...........\manager
...........\.......\CourseManager.class
...........\.......\CourseManager.java
...........\test
...........\....\Test.class
...........\....\Test.java
...........\util
...........\....\Constant.class
...........\....\Constant.java