Here you can find the source of subtractDay(final Date date)
Parameter | Description |
---|---|
date | start date |
public static Date subtractDay(final Date date)
//package com.java2s; /*//w w w . j a v a 2 s. co m * jGnash, a personal finance application * Copyright (C) 2001-2015 Craig Cavanaugh * * 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/>. */ import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; public class Main { /** * ThreadLocal for a {@code GregorianCalendar} */ private static final ThreadLocal<GregorianCalendar> gregorianCalendarThreadLocal = new ThreadLocal<GregorianCalendar>() { @Override protected GregorianCalendar initialValue() { return new GregorianCalendar(); } }; /** * Subtract one day from the supplied date * * @param date start date * @return one day less */ public static Date subtractDay(final Date date) { return addDays(date, -1); } /** * Returns a date a given number of days after the requested date * * @param date start date * @param days the number of days to add * @return new date */ public static Date addDays(final Date date, final int days) { final GregorianCalendar c = gregorianCalendarThreadLocal.get(); c.setTime(date); c.add(Calendar.DATE, days); return c.getTime(); } }