Here you can find the source of format(Date date)
public static String format(Date date)
//package com.java2s; /**//w w w.j ava2 s . co m * Constellio, Open Source Enterprise Search * Copyright (C) 2010 DocuLibre inc. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * 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 Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { private static final SimpleDateFormat RFC822_DATE_FORMAT = new SimpleDateFormat( "EEE', 'dd' 'MMM' 'yyyy' 'HH:mm:ss z", Locale.ENGLISH); public static String format(Date date) { return RFC822_DATE_FORMAT.format(date); } }