Java Day of getIntervalDate(String date, int intervalDays)

Description

get Interval Date

License

Open Source License

Declaration

public static synchronized String getIntervalDate(String date, int intervalDays) 

Method Source Code

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

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

public class Main {
    private static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");

    public static synchronized String getIntervalDate(String date, int intervalDays) {
        Calendar cal = Calendar.getInstance();
        int year = Integer.parseInt(String.valueOf(date).substring(0, 4));
        int month = Integer.parseInt(String.valueOf(date).substring(4, 6));
        int day = Integer.parseInt(String.valueOf(date).substring(6, 8));
        cal.set(Calendar.YEAR, year);
        cal.set(Calendar.MONTH, month - 1);
        cal.set(Calendar.DAY_OF_MONTH, day);
        cal.add(Calendar.DATE, intervalDays);

        return dateFormat.format(new Date(cal.getTimeInMillis()));
    }//from   w w  w  .  ja v  a2  s. c  o m
}

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6. getIntervalDays(Date fDate, Date oDate)
7. getIntevalDays(String startDate, String endDate)
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