code: public static void init()
  	{
  		try
  		{
  			init("vdmj.properties", Properties.class);
  		} catch (Exception e)
  		{
  			System.err.println(e.getMessage());
  		}
  
  		InputStream fis = ConfigBase.class.getResourceAsStream("/"
  				+ "overture.properties");
  
  		if (fis != null)
  		{
  			try
  			{
  				java.util.Properties overtureProperties = new java.util.Properties();
  				overtureProperties.load(fis);
  
  				final String SYSTEM_KEY = "system.";
  				for (Entry<Object, Object> entry : overtureProperties.entrySet())
  				{
  					String key = entry.getKey().toString();
  					String value = entry.getValue().toString();
  
  					if (value.indexOf("/") != -1)
  					{
  						// assume that this is a file path and correct it
  						value = value.replace('/', File.separatorChar);
  					}
  
  					int index = key.indexOf(SYSTEM_KEY);
  					if (index == 0)
  					{
  						String newKey = key.substring(SYSTEM_KEY.length());
  						System.setProperty(newKey, value);
  					}
  				}
  			} catch (Exception e)
  			{
  				throw new RuntimeException(e);
  			}
  		}
  	}
docs: When the class is initialized, we call the ConfigBase init method, which uses the properties file passed to
  update the static fields above.