File list (Check if you may need any files):
HellowWorld\.classpath
...........\.project
...........\.settings\.jsdtscope
...........\.........\org.eclipse.jdt.core.prefs
...........\.........\org.eclipse.wst.jsdt.ui.superType.container
...........\.........\org.eclipse.wst.jsdt.ui.superType.name
...........\WebContent\index.jsp
...........\..........\META-INF\MANIFEST.MF
...........\..........\WEB-INF\web.xml
...........\..........\.......\lib
...........\build\classes
...........\WebContent\META-INF
...........\..........\WEB-INF
...........\.settings
...........\build
...........\src
...........\WebContent
HellowWorld