Java Day Count getDaysBetweenTwoDays(String dateFrom, String dateEnd)

Description

get Days Between Two Days

License

Open Source License

Declaration

public static String getDaysBetweenTwoDays(String dateFrom, String dateEnd) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
    public static String getDaysBetweenTwoDays(String dateFrom, String dateEnd) {
        Date dtFrom = null;//from w w w .  j a v a2 s .  com
        Date dtEnd = null;
        dtFrom = toDate(dateFrom, "yyyy-MM-dd");
        dtEnd = toDate(dateEnd, "yyyy-MM-dd");
        long begin = dtFrom.getTime();
        long end = dtEnd.getTime();
        long inter = end - begin;
        if (inter < 0) {
            inter = inter * (-1);
        }
        long dateMillSec = 24 * 60 * 60 * 1000;

        long dateCnt = inter / dateMillSec;

        long remainder = inter % dateMillSec;

        if (remainder != 0) {
            dateCnt++;
        }
        return String.valueOf(dateCnt);
    }

    public static Date toDate(String sDate, String sFmt) {
        Date dt = null;
        try {
            dt = new SimpleDateFormat(sFmt).parse(sDate);
        } catch (ParseException e) {
            return dt;
        }
        return dt;
    }
}

Related

1. getDayCount(String from, String to)
2. getDayCount(String yyyy_mm_dd_1, String yyyy_mm_dd_2)
3. GetDays(String strStartDate, String strEndDate)
4. getDaysBetween(Calendar d1, Calendar d2)
5. getDaysBetween(Map params)
6. getDaySub(String beginDate, String endDate)
7. getDaySub(String start_time, String end_time)