Java Month Day getFirstDayOfMonth(Date date)

Here you can find the source of getFirstDayOfMonth(Date date)

Description

get First Day Of Month

License

Open Source License

Declaration

public static Date getFirstDayOfMonth(Date date) 

Method Source Code

//package com.java2s;
/*/*from w  ww  .j av a2 s .  c  o m*/
 * #%L
 * Webstar Newsletter
 * %%
 * Copyright (C) 2013 Webstar Csoport Kft.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import java.util.*;

public class Main {
    public static Date getFirstDayOfMonth(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.DAY_OF_MONTH, 1);
        return startOfDay(calendar.getTime());
    }

    public static Date startOfDay(Date datum) {
        if (datum == null) {
            return null;
        }
        Calendar cal = new GregorianCalendar();
        cal.setTime(datum);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);

        return cal.getTime();
    }
}

Related

  1. getFirstDayOfCurMonth()
  2. getFirstDayOfCurrentMonth()
  3. getFirstDayOfLastMonth()
  4. getfirstDayOfMonth()
  5. getFirstDayOfMonth(Calendar c)
  6. getFirstDayOfMonth(Date date)
  7. getFirstDayOfMonth(Date date)
  8. getFirstDayOfMonth(Date date)
  9. getFirstDayOfMonth(Date date)