corejava
Class Day

java.lang.Object
  |
  +--corejava.Day

All Implemented Interfaces:

java.lang.Cloneable

public class Day

extends java.lang.Object

implements java.lang.Cloneable

Constructor Summary

Day()
Constructs today's date

Day(int yyyy, int m, int d)
Constructs a specific date

Method Summary

void	advance(int n) Advances this day by n days.
java.lang.Object	clone() Makes a bitwise copy of a Day object
int	daysBetween(Day b) The number of days between this and day parameter
int	getDay()
int	getMonth()
int	getYear()
java.lang.String	toString() A string representation of the day
int	weekday() Gets the weekday

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Day

public Day()

Constructs today's date

Day

public Day(int yyyy,
           int m,
           int d)

Constructs a specific date

Parameters:

yyyy - year (full year, e.g., 1996, not starting from 1900)

m - month

d - day

Throws:

java.lang.IllegalArgumentException - if yyyy m d not a valid date

Method Detail

advance

public void advance(int n)

Advances this day by n days. For example. d.advance(30) adds thirdy days to d

Parameters:

n - the number of days by which to change this day (can be < 0)

getDay

public int getDay()

getMonth

public int getMonth()

getYear

public int getYear()

weekday

public int weekday()

Gets the weekday

Returns:

the weekday (0 = Sunday, 1 = Monday, ..., 6 = Saturday)

daysBetween

public int daysBetween(Day b)

The number of days between this and day parameter

Parameters:

b - any date

Returns:

the number of days between this and day parameter and b (> 0 if this day comes after b)

toString

public java.lang.String toString()

A string representation of the day

Overrides:

toString in class java.lang.Object

Returns:

a string representation of the day

clone

public java.lang.Object clone()

Makes a bitwise copy of a Day object

Overrides:

clone in class java.lang.Object

Returns:

a bitwise copy of a Day object