Java计算程序运行时间

来源：互联网发布：windows mysqlsla 编辑：程序博客网时间：2024/04/19 20:06

public class SumTime {    public static void main(String []args) throws ParseException{        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式        String startTime = df.format(new Date());        System.out.println(startTime);        System.out.println("12312312312312");        Date date1 = new Date();        String endTime = df.format(date1);        System.out.println(endTime);//      SumTimes(startTime,endTime);    }    public  void SumTimes(String startTime,String endTime) throws ParseException{         SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");           Date now = df.parse(startTime);           Date date=df.parse(endTime);           long l=now.getTime()-date.getTime();           long day=l/(24*60*60*1000);           long hour=(l/(60*60*1000)-day*24);           long min=((l/(60*1000))-day*24*60-hour*60);           long s=(l/1000-day*24*60*60-hour*60*60-min*60);           System.out.println(""+day+"天"+hour+"小时"+min+"分"+s+"秒");    }}

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