public static void main(String[] args) {
String month;
System.out.println("java Days");
System.out.println("----------------");
System.out.print("Enter the month: ");
Scanner inputScanner = new Scanner(System.in);
month = inputScanner.next();
int returned_monthNum = Days.getmonthNum(month);
if (returned_monthNum == 0) {
System.out.println("Invalid month");
}
System.out.println(month + " is month number " + returned_monthNum);
int year = 2013;
int numDays = 0;
switch (month) {
case "JAN":
case "january":
case "MAR":
case "march":
case "MAY":
case "may":
case "JUL":
case "july":
case "AUG":
case "august":
case "OCT":
case "october":
case "DEC":
case "december":
numDays = 31;
break;
case "APR":
case "april":
case "JUNE":
case "june":
case "SEPT":
case "september":
case "NOV":
case "november":
numDays = 30;
break;
case "FEB":
case "february":
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) numDays = 29;
else numDays = 28;
break;
default:
System.out.println("Invalid month.");
break;
}
System.out.println("It has " + numDays + " days.");
}
public static void main(String[] args) {
for (Days d : Days.values()) ;
Days[] d2 = Days.values();
System.out.println(d2[2]);
}
/**
* Converts this period in weeks to a period in days assuming a 7 day week.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all weeks are 7 days long. This may not be true for some unusual
* chronologies. However, it is included as it is a useful operation for many applications and
* business rules.
*
* @return a period representing the number of days for this number of weeks
* @throws ArithmeticException if the number of days is too large to be represented
*/
public Days toStandardDays() {
return Days.days(FieldUtils.safeMultiply(getValue(), DateTimeConstants.DAYS_PER_WEEK));
}
public void testToStandardDays() {
Minutes test = Minutes.minutes(60 * 24 * 2);
Days expected = Days.days(2);
assertEquals(expected, test.toStandardDays());
}
/**
* Converts this period in hours to a period in days assuming a 24 hour day.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all days are 24 hours long. This is not true when daylight savings
* time is considered, and may also not be true for some unusual chronologies. However, it is
* included as it is a useful operation for many applications and business rules.
*
* @return a period representing the number of whole days for this number of hours
*/
public Days toStandardDays() {
return Days.days(getValue() / DateTimeConstants.HOURS_PER_DAY);
}
