File list (Check if you may need any files):
HelloWorld\build\classes\HelloWorld.class
..........\build.xml
..........\manifest.mf
..........\nbproject\build-impl.xml
..........\.........\genfiles.properties
..........\.........\private\private.properties
..........\.........\.......\private.xml
..........\.........\project.properties
..........\.........\project.xml
..........\src\HelloWorld.java
..........\build\classes
..........\nbproject\private
..........\build
..........\nbproject
..........\src
HelloWorld