Java Utililty Methods Timestamp Format

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return sdf.format(date);

return (formatDate(date, "yyyy-MM-dd HH:mm:ss"));

String temp = String.valueOf(ts);
if (temp != null && temp != "" && temp != "null")
    temp = temp.substring(0, 16);
else if (temp == "null")
    temp = "";
return temp;

java.sql.Timestamp t = new java.sql.Timestamp(ms);
DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.LONG, Locale.ENGLISH);
formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
String str = formatter.format(t);
return str;

String dateTime = "";
if (dTime != null && !"".equals(dTime) && !dTime.startsWith("1900-01-01")) {
    Timestamp t = Timestamp.valueOf(dTime);
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm");
    dateTime = formatter.format(t);
return dateTime;

return formatDate(new Date(t.getTime()), STANDARD_DATETIME_PATTERN);

return DATE_TIME_STAMP_FORMAT.format(date);

Timestamp result = null;
try {
    Date date = onlyDateFmt.parse(string);
    result = new Timestamp(date.getTime());
} catch (ParseException e) {
    e.printStackTrace();
return result;
...

return Long.valueOf(date.getTime() / 1000).intValue();

GregorianCalendar gregorianCalendar = new GregorianCalendar();
gregorianCalendar.setTime(date);
gregorianCalendar.set(GregorianCalendar.HOUR_OF_DAY, 23);
gregorianCalendar.set(GregorianCalendar.MINUTE, 59);
gregorianCalendar.set(GregorianCalendar.SECOND, 0);
Date formattedPassoutDate = gregorianCalendar.getTime();
return new Timestamp(formattedPassoutDate.getTime());