java 获取前后一秒时间

java 获取前/后一秒时间

public voidgetNextTime(){
        Date date = new Date();
        Calendar c = Calendar.getInstance();
        c.setTime(date);
		// c.add(Calendar.SECOND, -1);//前一秒
        c.add(Calendar.SECOND, 1);//后一秒
        SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss" );
        String strTime = sdf.format(c.getTime());
        System.out.println(strTime);
    }