Here you can find the source of format(Date aTs_Datetime)
public static String format(Date aTs_Datetime)
//package com.java2s; //License from project: Apache License import java.sql.Timestamp; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static final String DATE_PATTERN_DEFAULT = "yyyy-MM-dd"; public static String format(Date aTs_Datetime) { return format(aTs_Datetime, DATE_PATTERN_DEFAULT); }/*from w ww.jav a2 s. c om*/ public static String format(Date aTs_Datetime, String as_Pattern) { if (aTs_Datetime == null || as_Pattern == null) return null; SimpleDateFormat dateFromat = new SimpleDateFormat(); dateFromat.applyPattern(as_Pattern); return dateFromat.format(aTs_Datetime); } /** * @param aTs_Datetime * @param as_Pattern * @return */ public static String format(Timestamp aTs_Datetime, String as_Pattern) { if (aTs_Datetime == null || as_Pattern == null) return null; SimpleDateFormat dateFromat = new SimpleDateFormat(); dateFromat.applyPattern(as_Pattern); return dateFromat.format(aTs_Datetime); } }