public static LastaDiProperties getInstance() {
        if (instance == null) {
            synchronized (LastaDiProperties.class) {
                if (instance == null) {
                    instance = new LastaDiProperties();
                }
            }
        }
        return instance;
    }
public static LastaDiProperties getInstance ( ) { if ( instance == null ) { synchronized ( LastaDiProperties . class ) { if ( instance == null ) { instance = new LastaDiProperties ( ) ; } } } return instance ; }
lazy loaded