Java Utililty Methods Day in Month

List of utility methods to do Day in Month

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Description

The list of methods to do Day in Month are organized into topic(s).

Method

StringtoMonthFirstDay(String month)
to Month First Day 
return month + "-01";
voidvalidateDayOfMonth(int day)
validate Day Of Month 
if ((day < 1 || day > 31) && day != LAST_DAY_OF_MONTH) {
    throw new IllegalArgumentException("Invalid day of month.");
voidvalidateMonthDay(int nDate)
validate Month Day 
if ((nDate > 28) || (nDate < 1)) {
    throw new IndexOutOfBoundsException("nDate must be between 1 and 28. " + nDate + " was passed.");
intweekOfMonth(int dayCount, int commonMonthIndex)
Answer the nth week of the given month 
int daysIntoMonth = dayCount - FirstDayOfMonth[commonMonthIndex - 1] + 1;
return (daysIntoMonth / 7) + (((daysIntoMonth % 7) > 0) ? 1 : 0);