guava 定时任务

@Test
    public void test26() {
    
        StopWatch stopWatch = new StopWatch();
        stopWatch.start();

        for (long i = 0; i < 10000000000L; i++) {
    

        }
        stopWatch.stop();
        long totalTimeMillis = stopWatch.getTotalTimeMillis();
        System.out.println(totalTimeMillis);
    }