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java.awt.geom
Class Point2D

java.lang.Object
  extended by java.awt.geom.Point2D
All Implemented Interfaces:
Cloneable
Direct Known Subclasses:
Point, Point2D.Double, Point2D.Float
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Top Examples, Source Code
public Object clone()
See Also:
Cloneable, OutOfMemoryError
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public double distance(double PX,
                       double PY)
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public static double distance(double X1,
                              double Y1,
                              double X2,
                              double Y2)
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public double distance(Point2D pt)
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public double distanceSq(double PX,
                         double PY)
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public static double distanceSq(double X1,
                                double Y1,
                                double X2,
                                double Y2)
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public double distanceSq(Point2D pt)
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public boolean equals(Object obj)
See Also:
Hashtable, Object.hashCode()
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public abstract double getX()
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public abstract double getY()
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public int hashCode()
See Also:
Hashtable, Object.equals(java.lang.Object)
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protected Point2D()
See Also:
Point, Point2D.Double, Point2D.Float
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[1477]Show a point (p2d) that start to draw a rectangle
By Andy on 2005/07/10 09:50:24  Rate
An object of the java.awt.geom.Point2D class encapsulates a pair of coordinate values that specify a location in the coordinate system. Following example show a point  ( p2d )  that start to draw a rectangle.  
  
  
 public class Point2dTest extends JComponent  {  
   
  final BasicStroke stroke = new BasicStroke ( 10.0f ) ; 
  protected int rectWidth = 10, rectHeight = 10; 
   
  public void paintComponent ( Graphics g )   {  
    
   Point2D p2d = new Point2D.Double ( 20.0,30.0 ) ; //define a point for drawing a rectangle 
    
   Graphics2D g2D =  ( Graphics2D )  g; 
   g2D.setStroke ( stroke ) ; 
    
   g2D.draw ( new Rectangle2D.Double ( p2d.getX (  ) , p2d.getY (  ) , // get the x point and y point 
                                                     rectWidth, 
                                                     rectHeight )  ) ;  
   }  
  } 
public abstract void setLocation(double x,
                                 double y)
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public void setLocation(Point2D p)
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