File list (Check if you may need any files):
chapter-03\.classpath
..........\.mymetadata
..........\.project
..........\src\org\liufeng\course\servlet\CoreServlet.java
..........\...\...\.......\......\util\SignUtil.java
..........\WebRoot\index.jsp
..........\.......\META-INF\MANIFEST.MF
..........\.......\WEB-INF\classes\org\liufeng\course\servlet\CoreServlet.class
..........\.......\.......\.......\...\.......\......\util\SignUtil.class
..........\.......\.......\web.xml
..........\.......\.......\classes\org\liufeng\course\servlet
..........\.......\.......\.......\...\.......\......\util
..........\.......\.......\.......\...\.......\course
..........\src\org\liufeng\course\servlet
..........\...\...\.......\......\util
..........\WebRoot\WEB-INF\classes\org\liufeng
..........\src\org\liufeng\course
..........\WebRoot\WEB-INF\classes\org
..........\src\org\liufeng
..........\WebRoot\WEB-INF\classes
..........\.......\.......\lib
..........\src\org
..........\WebRoot\META-INF
..........\.......\WEB-INF
..........\src
..........\WebRoot
chapter-03