Java Month Day getFirstDateOfMonth(Date theDate)

Description

get First Date Of Month

License

Open Source License

Declaration

public static Date getFirstDateOfMonth(Date theDate) 

Method Source Code

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

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

public class Main {
    private static final int[] DAY_OF_MONTH = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

    public static Date getFirstDateOfMonth(Date theDate) {
        Calendar c = new GregorianCalendar();
        c.setTime(theDate);//from ww  w .j  a  v  a 2  s .c o  m
        c.set(Calendar.DAY_OF_MONTH, 1);
        c.set(Calendar.HOUR_OF_DAY, 0);
        c.set(Calendar.MINUTE, 0);
        c.set(Calendar.SECOND, 0);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTime();
    }

    public static String getTime(Date dt, String format) {
        SimpleDateFormat st = new SimpleDateFormat(format);
        return st.format(dt);
    }
}

Related

1. getDaysInMonth(final Date date)
2. getDaysOfMonth(Date date)
3. getDaysOfMonth(Date date)
4. getFirstDate(String base_month)
5. getFirstDateOfCurMonth()
6. getFirstday_Month(Date date, int months)
7. getFirstDayOfCurMonth()
8. getFirstDayOfCurrentMonth()
9. getFirstDayOfLastMonth()