Here you can find the source of formatDateTime(java.util.Date date)
public static String formatDateTime(java.util.Date date)
//package com.java2s; //License from project: Apache License import java.text.SimpleDateFormat; public class Main { public static String formatDateTime(java.util.Date date) { return format(date, "yyyy-MM-dd HH:mm:ss"); }/*from w w w .j a va 2 s. co m*/ public static String format(java.util.Date date) { return date == null ? "" : format(date, "yyyy-MM-dd"); } public static String format(java.util.Date date, String pattern) { return date == null ? "" : new SimpleDateFormat(pattern).format(date); } }