class Test
{
    public static void main(String[] args)
    {
        StopWatch stopwatch1 = new StopWatch(); // object of stopwatch class
        stopwatch1.start(10);   // reseting the start time through method calling
        stopwatch1.stop(20);    // setting the stop time through method calling
        stopwatch1.getStartTime(); // getting the start time through method calling
        stopwatch1.getEndTime();    // getting the stop time through method calling
        stopwatch1.getElapsedTime();    // getting the elapsed time through method calling
    }
}