Android Utililty Methods Time Get

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

SimpleDateFormat formatter = new SimpleDateFormat(
        "yyyyMMdd  hhmmss");
SimpleDateFormat formatter2 = new SimpleDateFormat(
        "yyyy-MM-dd  hh:mm:ss");
Date curDate;
try {
    curDate = formatter.parse(time);
    return formatter2.format(curDate);
...

time /= 1000;
int minute = time / 60;
int hour = minute / 60;
int second = time % 60;
minute %= 60;
return String.format("%02d:%02d", minute, second);

return getCurrentTime("yyyyMMddHHmmss");

StringBuilder time = new StringBuilder();
time.append(hour / 10 % 10);
time.append(hour % 10);
time.append(":");
time.append(minut / 10 % 10);
time.append(minut % 10);
return time.toString();

SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(new Date());

Calendar cal = Calendar.getInstance();
cal.setTime(new Date());
String second = cal.get(Calendar.SECOND) < 10 ? "0"
        + cal.get(Calendar.SECOND) : "" + cal.get(Calendar.SECOND);
String minute = cal.get(Calendar.MINUTE) < 10 ? "0"
        + cal.get(Calendar.MINUTE) : "" + cal.get(Calendar.MINUTE);
String hour = cal.get(Calendar.HOUR_OF_DAY) < 10 ? "0"
        + cal.get(Calendar.HOUR_OF_DAY) : ""
...

return getFormatDateTime(new Date(), "yyyy-MM-dd HH:mm:ss");

return getFormatDateTime(new Date(), "yyyy-MM-dd HH:mm:ss");

return getFormatDateTime(date, "yyyy-MM-dd");