Here you can find the source of toString(Date d, boolean includeTime)
public static String toString(Date d, boolean includeTime)
//package com.java2s; /*/* w ww . ja v a 2 s . c om*/ * Sonar, open source software quality management tool. * Copyright (C) 2009 SonarSource SA * mailto:contact AT sonarsource DOT com * * Sonar is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * Sonar 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 Sonar; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static final String DATE_PATTERN = "yyyy-MM-dd"; public static final String DATETIME_PATTERN = "yyyy-MM-dd'T'HH:mm:ssZ"; public static String toString(Date d, boolean includeTime) { if (d != null) { return new SimpleDateFormat(includeTime ? DATETIME_PATTERN : DATE_PATTERN).format(d); } return null; } }