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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class Point2D.Double - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.awt.geom
Class Point2D.Double

java.lang.Object
  |
  +--java.awt.geom.Point2D
        |
        +--java.awt.geom.Point2D.Double

Enclosing class:

Point2D

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public static class Point2D.Double

extends Point2D

The Double class defines a point specified in double precision.

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Inner classes inherited from class java.awt.geom.Point2D

Point2D.Double, Point2D.Float

 

Field Summary
double	x           The X coordinate of this Point2D.
double	y           The Y coordinate of this Point2D.

 

Constructor Summary

Point2D.Double()           Constructs and initializes a Point2D with coordinates (0, 0).

Point2D.Double(double x, double y)           Constructs and initializes a Point2D with the specified coordinates.

 

Method Summary
double	getX()           Returns the X coordinate of this Point2D in double precision.
double	getY()           Returns the Y coordinate of this Point2D in double precision.
void	setLocation(double x, double y)           Sets the location of this Point2D to the specified double coordinates.
String	toString()           Returns a String that represents the value of this Point2D.

 

Methods inherited from class java.awt.geom.Point2D

clone, distance, distance, distance, distanceSq, distanceSq, distanceSq, equals, hashCode, setLocation

 

Methods inherited from class java.lang.Object

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

 

Field Detail

x

public double x

The X coordinate of this Point2D.

Since:

JDK1.2

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y

public double y

The Y coordinate of this Point2D.

Since:

JDK1.2

Constructor Detail

Point2D.Double

public Point2D.Double()

Constructs and initializes a Point2D with coordinates (0, 0).

Since:

JDK1.2

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Point2D.Double

public Point2D.Double(double x,
                      double y)

Constructs and initializes a Point2D with the specified coordinates.

Parameters:

x, y - the coordinates to which to set the newly constructed Point2D

Since:

JDK1.2

Method Detail

getX

public double getX()

Returns the X coordinate of this Point2D in double precision.

Overrides:

getX in class Point2D

Returns:

the X coordinate of this Point2D.

Since:

JDK1.2

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getY

public double getY()

Returns the Y coordinate of this Point2D in double precision.

Overrides:

getY in class Point2D

Returns:

the Y coordinate of this Point2D.

Since:

JDK1.2

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setLocation

public void setLocation(double x,
                        double y)

Sets the location of this Point2D to the specified double coordinates.

Overrides:

setLocation in class Point2D

Parameters:

x, y - the coordinates to which to set this Point2D

Since:

JDK1.2

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toString

public String toString()

Returns a String that represents the value of this Point2D.

Overrides:

toString in class Object

Returns:

a string representation of this Point2D.

Since:

JDK1.2

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