Java Utililty Methods String to Time

try {
    return new SimpleDateFormat(FORMAT).parse(dateTime);
} catch (ParseException e) {
    throw new IllegalArgumentException(e);

final Calendar calTime = Calendar.getInstance();
final SimpleDateFormat sdf = new SimpleDateFormat(DATE_FMT_FULL, Locale.ENGLISH);
final Date date = (Date) sdf.parse(dateTime);
calTime.setTime(date);
return calTime;

Calendar c = null;
String dateFormatString = "yyyy-MM-dd'T'hh:mm:ss";
try {
    SimpleDateFormat sdf = new SimpleDateFormat(dateFormatString);
    Date d = sdf.parse(cpeDateTime);
    c = Calendar.getInstance();
    c.setTime(d);
} catch (Exception e) {
...

getCalendarFromDate.

final Calendar cal = GregorianCalendar.getInstance();
final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
try {
    final Date date = sdf.parse(dateTime);
    cal.setTime(date);
} catch (final ParseException e) {
    return null;
return cal;

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat format2 = new SimpleDateFormat("HH:mm:ss");
StringBuffer sb = new StringBuffer();
try {
    playDate = format1.format(format.parse(playDate));
} catch (ParseException e) {
    e.printStackTrace();
...

Calendar calendar = Calendar.getInstance();
if (flag.equals("DAY")) {
    calendar.add(Calendar.DAY_OF_MONTH, -value);
} else if (flag.equals("HOUR")) {
    calendar.add(Calendar.HOUR_OF_DAY, -value);
} else if (flag.equals("MINUTE")) {
    calendar.add(Calendar.MINUTE, -value);
Date dateTime = calendar.getTime();
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(dateTime);

return executionFormat.parse(input);

SimpleDateFormat formatter = new SimpleDateFormat(dateFormat);
Date date = formatter.parse(timeStr, new ParsePosition(0));
return date;

SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
long dif = df.parse(dateTime).getTime() - 86400 * 1000;
Date date = new Date();
date.setTime(dif);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(date);

return name + "-" + getCurrDate() + "-" + getCurrTime() + "-" + getRandomNumber();