Java中Date date = new Date()的时间加上一秒或者一分钟

public static void main(String[] args) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = new Date();
        date.setTime(date.getTime() + 1000);
        System.out.println("当前时间     ："+df.format(new Date()));
        System.out.println("加一秒      ："+df.format(date));
        date.setTime(date.getTime() + 60*1000);
        System.out.println("加一分      ："+df.format(date));
    }