java.awt
Class Point

java.lang.Object
  java.awt.geom.Point2D
      java.awt.Point

All Implemented Interfaces:

Cloneable

public class Point
extends Point2D

Represents a point in two dimensional space using integer co-ordinates

Author:

Lawrie Griffiths

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Point2D

Point2D.Double, Point2D.Float

Field Summary

int	x The x coordinate of the point
int	y The y coordinate of the point

Constructor Summary

Point()
Create a point at (0,0)

Point(int x, int y)
Create a point at (x,y)

Point(Point p)
Create a point from a given point

Method Summary

boolean	equals(Object obj) Test if this point is equal to a given object
Point	getLocation() Get the location of the point
double	getX() Get the x coordinate as a double
double	getY() Get the y coordinate as a double
void	move(int x, int y) Move the location of the point to (x,y)
void	setLocation(double x, double y) Set the location of this Point2D using double coordinates
void	setLocation(int x, int y) Set the location of the point using integer coordinates
void	setLocation(Point p) Set the location of the point to a given point
String	toString() Represent the point as a String
void	translate(int dx, int dy) Move the point by the vector (dx, dy)

Methods inherited from class java.awt.geom.Point2D

clone, distance, distance, distance, distanceSq, distanceSq, distanceSq, setLocation

Methods inherited from class java.lang.Object

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

Field Detail

x

public int x

The x coordinate of the point

y

public int y

The y coordinate of the point

Constructor Detail

Point

public Point()

Create a point at (0,0)

Point

public Point(int x,
             int y)

Create a point at (x,y)

Parameters:

x - the x coordinate

y - the y coordinate

Point

public Point(Point p)

Create a point from a given point

Parameters:

p - the given point

Method Detail

getX

public double getX()

Description copied from class: Point2D

Get the x coordinate as a double

Specified by:

getX in class Point2D

Returns:

the x co-ordinate (as a double)

getY

public double getY()

Description copied from class: Point2D

Get the y coordinate as a double

Specified by:

getY in class Point2D

Returns:

the y coordinate (as a double)

setLocation

public void setLocation(double x,
                        double y)

Description copied from class: Point2D

Set the location of this Point2D using double coordinates

Specified by:

setLocation in class Point2D

Parameters:

x - the new x coordinate

y - the new y coordinate

setLocation

public void setLocation(int x,
                        int y)

Set the location of the point using integer coordinates

Parameters:

x - the x coordinate

y - the y coordinate

setLocation

public void setLocation(Point p)

Set the location of the point to a given point

Parameters:

p - the given point

move

public void move(int x,
                 int y)

Move the location of the point to (x,y)

Parameters:

x - the new x coordinate

y - the new y coordinate

translate

public void translate(int dx,
                      int dy)

Move the point by the vector (dx, dy)

Parameters:

dx - the increment of the x coordinate

dy - the increment of the y coordinate

getLocation

public Point getLocation()

Get the location of the point

Returns:

the location (i.e. the point itself)

toString

public String toString()

Represent the point as a String

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Description copied from class: Point2D

Test if this point is equal to a given object

Overrides:

equals in class Point2D