public static void main(String[] args) {
        int numOfThreads = 1000;
        UnSafePublication uspObj = new UnSafePublication();

        Runnable initializeRunnable = () -> {
            uspObj.initialize();
        };

        Runnable assertRunnable = () -> {
            try {
                Thread.sleep(110);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            if (uspObj.holder == null) {
                uspObj.holder.assertSanity(42);
            } else {
                uspObj.holder.assertSanity(uspObj.holder.getHolderValue());
            }
        };

        for (int i = 0; i < numOfThreads; i++) {
                Thread iR = new Thread(initializeRunnable);
                Thread aR = new Thread(assertRunnable);
                iR.start();
                aR.start();
            }
    }