code: public static void addToSystemConfig(String prefix, Properties prop) {
  		for (Entry<Object, Object> entry : prop.entrySet()) {
  			String key = prefix.concat(entry.getKey().toString());
  			String value = entry.getValue().toString();
  			System.setProperty(key, value);
  		}
  	}
docs: Adds the to system config.
  
  @param prefix the prefix
  @param prop   the prop