Class Day

java.lang.Object
  extended by Day

public class Day
extends java.lang.Object

Constructor Summary
Day(int aYear, int aMonth, int aDate)
          Constructs a day with a given year, month, and day of the Julian/Gregorian calendar.
 
Method Summary
 Day addDays(int n)
          Returns a day that is a certain number of days away from this day
 int daysFrom(Day other)
          Returns the number of days between this day and another day
 int getDate()
          Returns the day of the month of this day
 int getMonth()
          Returns the month of this day
 int getYear()
          Returns the year of this day
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Day

public Day(int aYear,
           int aMonth,
           int aDate)
Constructs a day with a given year, month, and day of the Julian/Gregorian calendar. The Julian calendar is used for all days before October 15, 1582

Parameters:
aYear - a year != 0
aMonth - a month between 1 and 12
aDate - a date between 1 and 31
Method Detail

getYear

public int getYear()
Returns the year of this day

Returns:
the year

getMonth

public int getMonth()
Returns the month of this day

Returns:
the month

getDate

public int getDate()
Returns the day of the month of this day

Returns:
the day of the month

addDays

public Day addDays(int n)
Returns a day that is a certain number of days away from this day

Parameters:
n - the number of days, can be negative
Returns:
a day that is n days away from this one

daysFrom

public int daysFrom(Day other)
Returns the number of days between this day and another day

Parameters:
other - the other day
Returns:
the number of days that this day is away from the other (>0 if this day comes later)