File list (Check if you may need any files):
Log4jExample4\.classpath
.............\.project
.............\bin
.............\...\com
.............\...\...\vaannila
.............\...\...\........\helloworld
.............\...\...\........\..........\HelloWorld.class
.............\license.txt
.............\log4j.xml
.............\log4j-1.2.15.jar
.............\src
.............\...\com
.............\...\...\vaannila
.............\...\...\........\helloworld
.............\...\...\........\..........\HelloWorld.java