Demo\.classpath
....\.project
....\.settings\org.eclipse.jdt.core.prefs
....\build\classes\DownJar.class
....\src\DownJar.java
....\WebContent\bookCode.jar
....\..........\down.html
....\..........\META-INF\MANIFEST.MF
....\..........\WEB-INF\web.xml
....\..........\.......\lib
....\build\classes
....\WebContent\META-INF
....\..........\WEB-INF
....\.settings
....\build
....\src
....\WebContent
Demo