Java Month of Year getLastMonthOfQuater(Date date)

Description

get Last Month Of Quater

License

Open Source License

Declaration

public static int getLastMonthOfQuater(Date date) 

Method Source Code

//package com.java2s;
import java.text.ParseException;

import java.util.Calendar;
import java.util.Date;

public class Main {

    public static int getLastMonthOfQuater(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);/*from w w  w  .j av  a  2s .c om*/
        Date lastDayOfQuarter = getLastDayOfQuarter(calendar.get(Calendar.YEAR), getQuarterOfYear(date));
        int quarter = getQuarterOfYear(date);
        calendar.setTime(lastDayOfQuarter);
        // System.out.println(quarter);
        // System.out.println(lastDayOfQuarter);
        int i = calendar.get(Calendar.MONTH) + 1;
        return i;
    }

    public static Date getLastDayOfQuarter(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        return getLastDayOfQuarter(calendar.get(Calendar.YEAR), getQuarterOfYear(date));
    }

    public static Date getLastDayOfQuarter(Integer year, Integer quarter) {
        Calendar calendar = Calendar.getInstance();
        Integer month = new Integer(0);
        if (quarter == 1) {
            month = 3 - 1;
        } else if (quarter == 2) {
            month = 6 - 1;
        } else if (quarter == 3) {
            month = 9 - 1;
        } else if (quarter == 4) {
            month = 12 - 1;
        } else {
            month = calendar.get(Calendar.MONTH);
        }
        return getLastDayOfMonth(year, month);
    }

    public static int getQuarterOfYear(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        return calendar.get(Calendar.MONTH) / 3 + 1;
    }

    public static Date getLastDayOfMonth(Date date) throws ParseException {

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), 1);
        calendar.roll(Calendar.DATE, -1);
        return calendar.getTime();
    }

    public static Date getLastDayOfMonth(Integer year, Integer month) {
        Calendar calendar = Calendar.getInstance();
        if (year == null) {
            year = calendar.get(Calendar.YEAR);
        }
        if (month == null) {
            month = calendar.get(Calendar.MONTH);
        }
        calendar.set(year, month, 1);
        calendar.roll(Calendar.DATE, -1);
        return calendar.getTime();
    }
}

Related

1. getLastMonth()
2. getLastMonthAndCycle()
3. getLastMonthdate()
4. getLastMonthDate()
5. getLastMonthDate(int date)
6. getLastMonthOfYear()
7. getMaxDayOfMonth(int year, int month)
8. getMonth(int week, int year)
9. getMonthDays(Object year, Object month)