Java Date to Month getMonthFirstDay(Date date)

Description

get Month First Day

License

Open Source License

Declaration

public static Date getMonthFirstDay(Date date) 

Method Source Code

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

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

public class Main {
    public static Date getMonthFirstDay(Date date) {
        return getDate(getDateYear(date), getDateMonth(date), 1);
    }/*from   w w w  .  j a  va  2s  .c  om*/

    public static Date getDate() {
        return Calendar.getInstance().getTime();
    }

    public static Date getDate(int year, int month, int day) {
        Calendar cal = Calendar.getInstance();
        cal.set(year, month - 1, day, 0, 0, 0);
        return cal.getTime();

    }

    public static Date getDate(int year, int month, int date, int hour, int mintue, int second) {
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.YEAR, year);
        cal.set(Calendar.MONTH, month - 1);
        cal.set(Calendar.DATE, date);
        cal.set(Calendar.HOUR_OF_DAY, hour);
        cal.set(Calendar.MINUTE, mintue);
        cal.set(Calendar.SECOND, second);
        return cal.getTime();
    }

    public static int getDateYear(Date date) {

        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.YEAR);
    }

    public static int getDateMonth(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.MONTH) + 1;
    }
}

Related

1. getMonth(String strDate)
2. getMonthBeginDate()
3. getMonthBetween(Date data1, Date data2)
4. getMonthByOffset(Date date, int offset)
5. getMonthDays(String date)
6. getMonthFromDate(Date date)
7. getMonthInterval(Date _one, Date _two)
8. getMonthLastDate(Date date)
9. getMonthLastDay(Date date)