Java Utililty Methods Year Format

StringTokenizer vSt = new StringTokenizer(pFormattedDate, "-");
int val = Integer.parseInt(vSt.nextToken());
return val;

Date d = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yy-MM-dd");
return sdf.format(d);

Date date = new Date();
Calendar cal = Calendar.getInstance();
cal.add(Calendar.HOUR, i);
date = cal.getTime();
SimpleDateFormat df = new SimpleDateFormat("yyMMdd:hhmm");
return df.format(date);

return formatterYYYY.format(Calendar.getInstance().getTime());

if (date == null)
    return "";
return yyyy.format(date);

if (date == null)
    return "";
return sdf.format(date);

if (date == null)
    return "";
return sdf.format(sdf.parse(date));

SimpleDateFormat yyyymm = new SimpleDateFormat("yyyyMM");
return yyyymm;

SimpleDateFormat format = new SimpleDateFormat("yyyy" + separator + "MM");
return format.format(date);

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
return sdf.format(date);