Java Utililty Methods Date to Time

List of utility methods to do Date to Time

  1. HOME
  2. Java
  3. D
  4. Date to Time

Description

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

Method

DategetTimerDate(String time)
get Timer Date 
String reg = "\\d{2}:\\d{2}:\\d{2}";
if (time.matches(reg)) {
    String[] temp = time.split(":");
    Calendar c = Calendar.getInstance();
    Date now = new Date();
    c.setTime(now);
    c.set(Calendar.HOUR, Integer.parseInt(temp[0]));
    c.set(Calendar.MINUTE, Integer.parseInt(temp[1]));
...
DategetTimeRoll(Date current, int field, int numberOfRoll)
get Time Roll 
Calendar calendar = Calendar.getInstance();
calendar.setTime(current);
if (field == Calendar.DATE) {
    if (calendar.get(Calendar.DATE) == calendar.getActualMinimum(Calendar.DATE)) {
        if (calendar.get(Calendar.MONTH) == calendar.JANUARY) {
            if (numberOfRoll < 0) {
                calendar.roll(Calendar.MONTH, -1);
                calendar.roll(Calendar.YEAR, -1);
...
StringgetTimeStamp(long timeMilis, boolean time, boolean date)
get Time Stamp 
return getTimeStamp(new StringBuilder(), timeMilis, time, date).toString();
StringgetTimeStampInMin(Date date)
get Time Stamp In Min 
Calendar cal = Calendar.getInstance();
if (date != null)
    cal.setTime(date);
StringBuilder sb = new StringBuilder();
sb.append(cal.get(Calendar.YEAR));
sb.append(padding(cal.get(Calendar.MONTH) + 1));
sb.append(padding(cal.get(Calendar.DAY_OF_MONTH)));
sb.append("/");
...
StringgetTimeStampInSec(char separator, Date date)
get Time Stamp In Sec 
Calendar cal = Calendar.getInstance();
if (date != null)
    cal.setTime(date);
StringBuilder sb = new StringBuilder();
sb.append(cal.get(Calendar.YEAR));
sb.append(separator);
sb.append(padding(cal.get(Calendar.MONTH) + 1));
sb.append(separator);
...
longgetTimestampl(Date time1, Date time2)
get Timestampl 
if (time1 == null || time2 == null) {
    return 0;
Calendar cal = Calendar.getInstance();
cal.setTime(time1);
long m1 = cal.getTimeInMillis();
cal.setTime(time2);
long m2 = cal.getTimeInMillis();
...
StringgetTimeStr(Date date, char delimiter)
get Time Str 
if (date != null) {
    DateFormat df = new SimpleDateFormat("HH" + delimiter + "mm");
    return df.format(date);
return "";
StringgetTimeString(Date d)

Returns string representation of time of day in format hh:mm a

if (d == null) {
    return "hh:mm";
} else {
    String dateString = null;
    try {
        SimpleDateFormat formatter = new SimpleDateFormat("h:mm a");
        dateString = formatter.format(d);
    } catch (Exception ex) {
...
StringgetTimeString(Date date)
HHmmss 
DateFormat dateFormat = createNewDateFormat(timeFormat);
return formatDateString(date, dateFormat);
StringgetTimeString(Date self)

Return a string representation of the time portion of this date according to the locale-specific java.text.DateFormat#MEDIUM default format. 

return DateFormat.getTimeInstance(DateFormat.MEDIUM).format(self);