File list (Check if you may need any files):
mydom4jdemo1\.classpath
............\.mymetadata
............\.project
............\.settings\.jsdtscope
............\.........\org.eclipse.jdt.core.prefs
............\.........\org.eclipse.wst.jsdt.ui.superType.container
............\.........\org.eclipse.wst.jsdt.ui.superType.name
............\src\Book.xml
............\...\Books.xml
............\...\Books2.xml
............\...\com\booksys\demo1\dom4jReadXmlTest2.java
............\...\...\.......\.....\dom4jTest1.java
............\...\...\.......\.....\dom4jWriteTest3.java
............\...\...\.......\....2\Dom4jReadXML.java
............\...\...\.......\.....\Dom4jWriteXML.java
............\WebRoot\index.jsp
............\.......\META-INF\MANIFEST.MF
............\.......\WEB-INF\classes\Book.xml
............\.......\.......\.......\Books.xml
............\.......\.......\.......\Books2.xml
............\.......\.......\.......\com\booksys\demo1\dom4jReadXmlTest2.class
............\.......\.......\.......\...\.......\.....\dom4jTest1.class
............\.......\.......\.......\...\.......\.....\dom4jWriteTest3.class
............\.......\.......\.......\...\.......\....2\Dom4jReadXML.class
............\.......\.......\.......\...\.......\.....\Dom4jWriteXML.class
............\.......\.......\lib\dom4j-1.6.1.jar
............\.......\.......\web.xml
............\.......\.......\classes\com\booksys\demo1
............\.......\.......\.......\...\.......\demo2
............\.......\.......\.......\...\booksys
............\src\com\booksys\demo1
............\...\...\.......\demo2
............\WebRoot\WEB-INF\classes\com
............\src\com\booksys
............\WebRoot\WEB-INF\classes
............\.......\.......\lib
............\src\com
............\WebRoot\META-INF
............\.......\WEB-INF
............\.myeclipse
............\.settings
............\src
............\WebRoot
mydom4jdemo1