code: public static void zipFiles(final ZipFile zipFile4j, final ZipParameters parameters,
  		final List<File> toAdd) throws ZipException
  	{
  		for (final File element : toAdd)
  		{
  			zipFile4j.addFile(element, parameters);
  		}
  	}
docs: Adds the given file(s) to the given zip file.
  
  @param zipFile4j
  the zip file4j
  @param parameters
  the parameters
  @param toAdd
  the list with the files to add in the zip file
  @throws ZipException
  the zip exception