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Point2D.Float (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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java.awt.geom
Class Point2D.Float

java.lang.Object
  java.awt.geom.Point2D
      java.awt.geom.Point2D.Float

All Implemented Interfaces:

Serializable, Cloneable

Enclosing class:

Point2D

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public static class Point2D.Float
extends Point2D
implements Serializable

The Float class defines a point specified in float precision.

Since:

1.2

See Also:

Serialized Form

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Nested Class Summary

 

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

 

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

 

Constructor Summary
Point2D.Float()           Constructs and initializes a Point2D with coordinates (0, 0).
Point2D.Float(float x, float 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.
void	setLocation(float x, float y)           Sets the location of this Point2D to the specified float 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 float x

The X coordinate of this Point2D.

Since:

1.2

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y

public float y

The Y coordinate of this Point2D.

Since:

1.2

Constructor Detail

Point2D.Float

public Point2D.Float()

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

Since:

1.2

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Point2D.Float

public Point2D.Float(float x,
                     float y)

Constructs and initializes a Point2D with the specified coordinates.

Parameters:

x - the X coordinate of the newly constructed Point2D

y - the Y coordinate of the newly constructed Point2D

Since:

1.2

Method Detail

getX

public double getX()

Returns the X coordinate of this Point2D in double precision.

Specified by:

getX in class Point2D

Returns:

the X coordinate of this Point2D.

Since:

1.2

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getY

public double getY()

Returns the Y coordinate of this Point2D in double precision.

Specified by:

getY in class Point2D

Returns:

the Y coordinate of this Point2D.

Since:

1.2

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setLocation

public void setLocation(double x,
                        double y)

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

Specified by:

setLocation in class Point2D

Parameters:

x - the new X coordinate of this Point2D

y - the new Y coordinate of this Point2D

Since:

1.2

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setLocation

public void setLocation(float x,
                        float y)

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

Parameters:

x - the new X coordinate of this Point2D

y - the new Y coordinate of this Point2D

Since:

1.2

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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:

1.2

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.