Here you can find the source of floorDayOfMonth(Calendar cal)
public static void floorDayOfMonth(Calendar cal)
//package com.java2s; /*// w w w . j a va 2 s. c om * This file is part of DrFTPD, Distributed FTP Daemon. * * DrFTPD 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 2 of the License, or * (at your option) any later version. * * DrFTPD 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 DrFTPD; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.util.Calendar; public class Main { public static void floorDayOfMonth(Calendar cal) { cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH)); } }