Cloneable
Point
, Point2D.Double
, Point2D.Float
public abstract class Point2D extends Object implements Cloneable
Point2D
class defines a point representing a location in (x,y)
coordinate space. This class is only the abstract superclass for all objects that store a 2D coordinate. The actual storage representation of the coordinates is left to the subclass.
Modifier and Type | Class | Description |
---|---|---|
static class |
Point2D.Double |
The Double class defines a point specified in double precision. |
static class |
Point2D.Float |
The Float class defines a point specified in float precision. |
Modifier | Constructor | Description |
---|---|---|
protected |
This is an abstract class that cannot be instantiated directly. |
Modifier and Type | Method | Description |
---|---|---|
Object |
clone() |
Creates a new object of the same class and with the same contents as this object. |
double |
distance |
Returns the distance from this Point2D to a specified point. |
static double |
distance |
Returns the distance between two points. |
double |
distance |
Returns the distance from this Point2D to a specified Point2D . |
double |
distanceSq |
Returns the square of the distance from this Point2D to a specified point. |
static double |
distanceSq |
Returns the square of the distance between two points. |
double |
distanceSq |
Returns the square of the distance from this Point2D to a specified Point2D . |
boolean |
equals |
Determines whether or not two points are equal. |
abstract double |
getX() |
Returns the X coordinate of this Point2D in double precision. |
abstract double |
getY() |
Returns the Y coordinate of this Point2D in double precision. |
int |
hashCode() |
Returns the hashcode for this Point2D . |
abstract void |
setLocation |
Sets the location of this Point2D to the specified double coordinates. |
void |
setLocation |
Sets the location of this Point2D to the same coordinates as the specified Point2D object. |
protected Point2D()
public abstract double getX()
Point2D
in double
precision.Point2D
.public abstract double getY()
Point2D
in double
precision.Point2D
.public abstract void setLocation(double x, double y)
Point2D
to the specified double
coordinates.x
- the new X coordinate of this Point2D
y
- the new Y coordinate of this Point2D
public void setLocation(Point2D p)
Point2D
to the same coordinates as the specified Point2D
object.p
- the specified Point2D
to which to set this Point2D
public static double distanceSq(double x1, double y1, double x2, double y2)
x1
- the X coordinate of the first specified pointy1
- the Y coordinate of the first specified pointx2
- the X coordinate of the second specified pointy2
- the Y coordinate of the second specified pointpublic static double distance(double x1, double y1, double x2, double y2)
x1
- the X coordinate of the first specified pointy1
- the Y coordinate of the first specified pointx2
- the X coordinate of the second specified pointy2
- the Y coordinate of the second specified pointpublic double distanceSq(double px, double py)
Point2D
to a specified point.px
- the X coordinate of the specified point to be measured against this Point2D
py
- the Y coordinate of the specified point to be measured against this Point2D
Point2D
and the specified point.public double distanceSq(Point2D pt)
Point2D
to a specified Point2D
.pt
- the specified point to be measured against this Point2D
Point2D
to a specified Point2D
.public double distance(double px, double py)
Point2D
to a specified point.px
- the X coordinate of the specified point to be measured against this Point2D
py
- the Y coordinate of the specified point to be measured against this Point2D
Point2D
and a specified point.public double distance(Point2D pt)
Point2D
to a specified Point2D
.pt
- the specified point to be measured against this Point2D
Point2D
and the specified Point2D
.public Object clone()
clone
in class Object
OutOfMemoryError
- if there is not enough memory.public int hashCode()
Point2D
.public boolean equals(Object obj)
Point2D
are equal if the values of their x
and y
member fields, representing their position in the coordinate space, are the same.
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/geom/Point2D.html