Java Utililty Methods Month Get

SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMM");
Calendar cd = Calendar.getInstance();
return simpleDateFormat.format(cd.getTime());

String dateString = "";
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("MM");
java.util.Date currentTime_1 = new java.util.Date();
dateString = formatter.format(currentTime_1);
return dateString;

return getThisMonth(DEFAULT_DATE_FORMAT);

String dateString = "";
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("MM");
java.util.Date currentTime_1 = new java.util.Date();
dateString = formatter.format(currentTime_1);
return dateString;

int cycle = 1;
String str = new SimpleDateFormat("yyyyMMdd").format(new Date());
int month = Integer.valueOf(str.substring(0, 6));
int day = Integer.valueOf(str.substring(6, 8));
if (day <= 10) {
    cycle = 1;
if (day > 10 && day <= 20) {
...

Date now = new Date();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/");
return dateFormat.format(now) + "01 00:00:00";

Calendar calendar = Calendar.getInstance();
Calendar cpcalendar = (Calendar) calendar.clone();
cpcalendar.set(Calendar.DAY_OF_MONTH, 1);
cpcalendar.add(Calendar.MONTH, 1);
cpcalendar.add(Calendar.DATE, -1);
return Integer.parseInt(intSDF.format(new Date(cpcalendar.getTimeInMillis())));

Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
if (isEnd) {
    if (isPrevious) {
        calendar.add(Calendar.MONTH, -1);
    calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE));
...

String start = datetime.substring(0, 8) + "01";
Date day = parseDate(datetime);
int i = 7;
int w = 1;
while (true) {
    if (day.getTime() < addDay(start, i).getTime()) {
        return w;
    i = i + 7;
    w++;

Calendar temp = Calendar.getInstance();
temp.setTime(date);
int y = temp.get(Calendar.YEAR);
int m = temp.get(Calendar.MONTH) + 1;
int d = temp.get(Calendar.DAY_OF_MONTH);
int ry = 0, rm = 0, rd = 0;
if (d >= 1 && d <= 20) {
    rm = m;
...