code: public static void delete(final Collection<File> files) throws IOException
  	{
  		for (final File file : files)
  		{
  			delete(file);
  		}
  	}
docs: Tries to delete all given files in the list. Caution: This can not be undone.
  
  @param files
  The files to delete.
  
  @throws IOException
  Signals that an I/O exception has occurred.