Java Utililty Methods Time Format

List of utility methods to do Time Format

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Description

The list of methods to do Time Format are organized into topic(s).

Method

StringgetStringFromTime(Date time, String format)
get String From Time 
if (format == null || format.trim().equals("")) {
    sdf.applyPattern(FORMAT_DATE_TIME);
} else {
    sdf.applyPattern(format);
return sdf.format(time);
StringgetSysDateTimeForFileName()
get Sys Date Time For File Name 
Calendar calendar = Calendar.getInstance();
SimpleDateFormat dateFormat = new SimpleDateFormat("dd_MM_yyyy_HH_mm");
try {
    return dateFormat.format(calendar.getTime());
} catch (Exception e) {
    throw e;
StringgetSysTimeYMDHMS2()
get Sys Time YMDHMS 
return new SimpleDateFormat("yyyyMMddHHmmss").format(new Date(System.currentTimeMillis()));
longgetTime(@Nonnull String format, @Nonnull String date, @Nonnull String tz)
get Time 
checkNotNull(format);
checkNotNull(date);
checkNotNull(tz);
try {
    DateFormat dateFormat = new SimpleDateFormat(format);
    dateFormat.setTimeZone(TimeZone.getTimeZone(tz));
    return dateFormat.parse(date).getTime();
} catch (ParseException e) {
...
StringgetTime(Date dt, String format)
get Time 
SimpleDateFormat st = new SimpleDateFormat(format);
return st.format(dt);
StringgetTime(Date time, int format, Locale locale)
get Time 
return SimpleDateFormat.getTimeInstance(format, locale).format(time);
StringgetTime(DateFormat df)
get Time 
return df.format(new Date());
StringgetTime(int format)
get Time 
if (format == 0) {
    return FORMAT4NAME.format(new Date());
} else {
    return FORMAT4LOG.format(new Date());
StringgetTime(long time, int timeFormat)
get Time 
return timeFormat == HOURS_24_MAKE ? getTimeOf24(time) : getTimeOf12(time);
longgetTime(String dateStr, String format)
get Time 
long time = -1;
Date date = getDate(dateStr, format);
if (date != null) {
    time = getDate(dateStr, format).getTime();
return time;