Date
Class Date

java.lang.Object
  Date.Date

public class Date
extends java.lang.Object

A class to implement dates on the Gregorian calendar, i.e. any date since October 15, 1582. Date objects have a month, day, and year

Constructor Summary

Date(int month, int day, int year)
Creates a date object

Method Summary

void	add(int days) Adds a specified number of days to a Date
boolean	equals(java.lang.Object otherDate) Are two Date objects equal? I.e.
int	getDay() Returns the day portion of a Date, as an int
java.lang.String	getDayOfWeek() Returns the day of the week (e.g.
java.lang.String	getLongDate() Returns the Date in long format, with day-of-week, month name, and the ordinal of the day
java.lang.String	getMediumDate() Returns the Date in medium format - with month name
int	getMonth() Returns the month as an int between 1 and 12
java.lang.String	getMonthName() Returns the month as a String (e.g.
java.lang.String	getShortDate() Returns the Date in short format - numbers only
int	getYear() Returns the year as a 4-digit int
void	next() Increases a Date by one day.
void	previous() Decreases a Date by one day.
void	subtract(int days) Subtracts a specified number of days from a Date

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Date

public Date(int month,
            int day,
            int year)

Creates a date object

Parameters:

month - the month

day - the day

year - the year

Throws:

Date.DateException - on attempt to create invalid date

Method Detail

getDay

public int getDay()

Returns the day portion of a Date, as an int

Returns:

the day

getMonth

public int getMonth()

Returns the month as an int between 1 and 12

Returns:

the month

getYear

public int getYear()

Returns the year as a 4-digit int

Returns:

the year

getMonthName

public java.lang.String getMonthName()

Returns the month as a String (e.g. "March")

Returns:

the name of the month

getDayOfWeek

public java.lang.String getDayOfWeek()

Returns the day of the week (e.g. "Saturday")

Returns:

the day of the week

equals

public boolean equals(java.lang.Object otherDate)

Are two Date objects equal? I.e. do they have the same day, month, and year?

Overrides:

equals in class java.lang.Object

Returns:

true if two dates are equal, false if not

next

public void next()

Increases a Date by one day. Month and year roll over as necessary. Example: Date d1 = new Date(12,31,2010) ; // December 31, 2010 d1.next() ; // d1 is now 1/1/2011

previous

public void previous()

Decreases a Date by one day. Month and year roll back as necessary. Ex: Date d1 = new Date(3,1,2012) ; // March 1, 2012 (a leap year) d1.previous ; // d1 is now 2/29/2012

add

public void add(int days)

Adds a specified number of days to a Date

Parameters:

days - the number of days by which to increase the Date (if negative, Date is decreased by that number)

subtract

public void subtract(int days)

Subtracts a specified number of days from a Date

Parameters:

days - the number of days by which to decrease the Date (if negative, Date is increased by that number)

getShortDate

public java.lang.String getShortDate()

Returns the Date in short format - numbers only

Returns:

the Date as "mm/dd/yyyy"

getMediumDate

public java.lang.String getMediumDate()

Returns the Date in medium format - with month name

Returns:

the Date as "month day, year" (E.g. October 15, 1582)

getLongDate

public java.lang.String getLongDate()

Returns the Date in long format, with day-of-week, month name, and the ordinal of the day

Returns:

the Date as "day-of-week, month day, year" (E.g. "Friday, October 15th, 1582")