Android Utililty Methods Date Get

Calendar cal = new GregorianCalendar(Integer.valueOf(year)
        .intValue(), Integer.valueOf(month).intValue() - 1, Integer
        .valueOf(day).intValue());
return cal.get(Calendar.DAY_OF_WEEK);

Calendar cal = new GregorianCalendar();
int y = Integer.valueOf(year).intValue();
int m = Integer.valueOf(month).intValue();
cal.clear();
cal.set(y, m - 1, 1);
cal.set(Calendar.DAY_OF_WEEK_IN_MONTH, Integer.valueOf(weekOfMonth)
        .intValue());
cal.set(Calendar.DAY_OF_WEEK, Integer.valueOf(dayOfWeek).intValue());
...

int curyear = Integer.valueOf(getCurrentYear()).intValue();
int curMonth = Integer.valueOf(getCurrentMonth()).intValue();
int mArray[] = new int[] { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31,
        30, 31 };
if ((curyear % 400 == 0)
        || ((curyear % 100 != 0) && (curyear % 4 == 0))) {
    mArray[1] = 29;
return mArray[curMonth - 1];

if (time.length() != 7) {
    throw new NullPointerException("yyyy-MM");
String[] timeArray = time.split("-");
int curyear = Integer.valueOf(timeArray[0]).intValue();
int curMonth = Integer.valueOf(timeArray[1]).intValue();
if (curMonth > 12) {
    throw new NullPointerException("null pointer ");
...

if (null == date) {
    throw new IllegalArgumentException("The date is null");
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MONTH);

Calendar calendar = Calendar.getInstance();
stripTime(calendar);
calendar.set(Calendar.HOUR_OF_DAY, 8);
calendar.add(Calendar.DAY_OF_MONTH, 1);
return calendar.getTime().getTime();

Calendar cal = Calendar.getInstance();
cal.setTime(dt);
int w = cal.get(Calendar.DAY_OF_WEEK);
return w;

Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
return calendar.get(Calendar.YEAR);

Calendar c = new GregorianCalendar();
return c.getTime();

Calendar cal = new GregorianCalendar();
cal.set(year, month, date, hourOfDay, minute, second);
return cal.getTime();