Android Utililty Methods Calendar Get

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
String curentDateandTime = sdf.format(new Date());
return curentDateandTime;

Calendar c = Calendar.getInstance();
return c.getTimeInMillis();

Calendar c = Calendar.getInstance();
int seconds = c.get(Calendar.SECOND);
return seconds;

Calendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
return calendar.get(Calendar.MONTH) + 1;

SimpleDateFormat dateFormat = new SimpleDateFormat(
        PARSE_DATE_FORMAT);
Date d = new Date(System.currentTimeMillis());
return dateFormat.format(d);

return getWeek(Calendar.getInstance());

Calendar cal = Calendar.getInstance();
return cal.get(Calendar.WEEK_OF_YEAR);

if (cal == null) {
    cal = Calendar.getInstance();
return cal.get(Calendar.WEEK_OF_YEAR);

return cal().get(Calendar.DAY_OF_MONTH);

Calendar cal = Calendar.getInstance();
java.text.SimpleDateFormat sdf = new SimpleDateFormat(
        "yyyy-MM-dd HH:mm:ss");
String cdate = sdf.format(cal.getTime());
return cdate;