returns the configuration factory instance . this is equivalent to configurationfactory.getinstance but using configuration.getfactory is shorter to type and allows us not to have to deal with configurationfactory at all if we do n't need to modify or configure it . concode_field_sep String URL_SAVED concode_elem_sep String FILE_SAVED concode_elem_sep String URL_LOADED concode_elem_sep ConfigurationHandler config concode_elem_sep String FILE_LOADED concode_field_sep boolean save concode_elem_sep boolean save concode_elem_sep void setInteger concode_elem_sep double getDouble concode_elem_sep double getDouble concode_elem_sep int getInteger concode_elem_sep int getInteger concode_elem_sep String getString concode_elem_sep String getString concode_elem_sep void removeListener concode_elem_sep void removeListener concode_elem_sep void setDouble concode_elem_sep ConfigurationKey makeKey concode_elem_sep ConfigurationKey makeKey concode_elem_sep ConfigurationKey makeKey concode_elem_sep ConfigurationKey makeKey concode_elem_sep ConfigurationKey makeKey concode_elem_sep ConfigurationKey makeKey concode_elem_sep void setString concode_elem_sep boolean load concode_elem_sep boolean load concode_elem_sep boolean load concode_elem_sep void removeKey concode_elem_sep ConfigurationHandler getConfigurationHandler concode_elem_sep boolean getBoolean concode_elem_sep boolean getBoolean concode_elem_sep void setBoolean concode_elem_sep void addListener concode_elem_sep void addListener