Here you can find the source of formatDay(java.util.Date d)
public static String formatDay(java.util.Date d)
//package com.java2s; /*//from w ww.j a v a 2 s . c o m * Copyright 2010 Mttang.com All right reserved. This software is the * confidential and proprietary information of Mttang.com ("Confidential * Information"). You shall not disclose such Confidential Information and shall * use it only in accordance with the terms of the license agreement you entered * into with Mttang.com. */ import java.text.SimpleDateFormat; public class Main { static final SimpleDateFormat yyyyMMdd = new SimpleDateFormat("yyyy-MM-dd"); public static String formatDay(java.util.Date d) { return yyyyMMdd.format(d); } public static String formatDay(java.util.Calendar d) { return yyyyMMdd.format(d.getTime()); } }