Java SQL Date Create getLastDayOfPreviousMonth(Date date, boolean isFormatDate)

Description

get Last Day Of Previous Month

License

Open Source License

Declaration

public static Object getLastDayOfPreviousMonth(Date date, boolean isFormatDate) 

Method Source Code

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

import java.sql.Timestamp;

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

public class Main {
    static public final String FORMAT_NORMAL = "yyyy-MM-dd HH:mm:ss";

    public static Object getLastDayOfPreviousMonth(Date date, boolean isFormatDate) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);/*w  w  w .j av  a  2 s  . c o  m*/
        calendar.set(Calendar.MONDAY, calendar.get(Calendar.MONTH) - 1);
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);

        if (isFormatDate)
            return formatDate(getLastDayOfMonth(calendar.getTime()));
        return getLastDayOfMonth(calendar.getTime());
    }

    public static String formatDate(Date date) {
        return format(date, FORMAT_NORMAL);
    }

    public static Date getLastDayOfMonth(Date date) {

        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.DATE, 1);
        c.roll(Calendar.DAY_OF_MONTH, -1);
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.MINUTE, 59);
        c.set(Calendar.SECOND, 59);
        return c.getTime();
    }

    public static String format(Date date, String format) {
        SimpleDateFormat sf = new SimpleDateFormat(format);
        sf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        return sf.format(date);
    }

    public static String format(Timestamp date, String format) {
        SimpleDateFormat sf = new SimpleDateFormat(format);
        sf.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
        return sf.format(date);
    }

    public static Date format(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        return c.getTime();
    }
}

Related

1. getLastDay(Date date)
2. getLastDay(Date dt)
3. getLastDay(java.util.Date dt)
4. getLastDayofMonth(Date date1)
5. getLastDayOfMonth(java.sql.Date date)
6. getLastSundayDate()
7. getLongDate(String strDate)
8. getSqlCurrentDate()
9. getSqlCurrentDate()