Java Utililty Methods Long Number to Time

Date time = parseDate(oldTime, TimeFormat);
Date now = new Date();
String format = "yyyy-MM-dd HH:mm";
if (time.getYear() == now.getYear()) {
    format = format.substring("yyyy-".length());
    if (time.getMonth() == now.getMonth() && time.getDay() == now.getDay()) {
        format = format.substring("MM-dd ".length());
return formatDate(time, format);

DateFormat dateFormat = new SimpleDateFormat("dd MMM yyyy");
Date date = new Date(time);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
return dateFormat.format(date);

return new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss-SSS").format(time);

double castSecond = (double) castTime / (double) 1000;
return parseSpeedString((long) ((double) bytes / castSecond) / 1024);

Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(time);
return getDefaultFormatByDate(calendar.getTime());

return getTextDate((new Date(timeInMs)));

NumberFormat doubleFormat = NumberFormat.getNumberInstance();
doubleFormat.setMaximumFractionDigits(2);
double millis = (double) nanos / 1000000;
if (millis < 1000) {
    return doubleFormat.format(millis) + "ms";
double secs = millis / 1000;
if (secs < 60) {
...

Date d = new Date(time);
Format simpleFormat = new SimpleDateFormat("E dd MMM yyyy hh:mm:ss a");
String date = simpleFormat.format(d);
return date;

return new SimpleDateFormat(
        getTimeOnly ? "HH-mm-ss" : fileSystemSafe ? "MM-dd-yyyy_HH.mm.ss" : "MM/dd/yyyy'\t'h:mm:ss a")
                .format(new Date(time));

final String HOURS = "h";
final String MINUTES = "min";
final long MS_IN_A_DAY = 1000 * 60 * 60 * 24;
final long MS_IN_AN_HOUR = 1000 * 60 * 60;
final long MS_IN_A_MINUTE = 1000 * 60;
final long MS_IN_A_SECOND = 1000;
diff = diff % MS_IN_A_DAY;
long numHours = diff / MS_IN_AN_HOUR;
...