类层次结构
- java.lang.Object 
       
- java.awt.geom.AffineTransform (implements java.lang.Cloneable, java.io.Serializable)
 - java.awt.geom.Area (implements java.lang.Cloneable, java.awt.Shape)
 - java.awt.geom.CubicCurve2D (implements java.lang.Cloneable, java.awt.Shape) 
         
- java.awt.geom.CubicCurve2D.Double (implements java.io.Serializable)
 - java.awt.geom.CubicCurve2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.Dimension2D (implements java.lang.Cloneable)
 - java.awt.geom.FlatteningPathIterator (implements java.awt.geom.PathIterator)
 - java.awt.geom.Line2D (implements java.lang.Cloneable, java.awt.Shape) 
         
- java.awt.geom.Line2D.Double (implements java.io.Serializable)
 - java.awt.geom.Line2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.Path2D (implements java.lang.Cloneable, java.awt.Shape) 
         
- java.awt.geom.Path2D.Double (implements java.io.Serializable)
 - java.awt.geom.Path2D.Float (implements java.io.Serializable) 
           
- java.awt.geom.GeneralPath
 
 
 - java.awt.geom.Point2D (implements java.lang.Cloneable) 
         
- java.awt.geom.Point2D.Double (implements java.io.Serializable)
 - java.awt.geom.Point2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.QuadCurve2D (implements java.lang.Cloneable, java.awt.Shape) 
         
- java.awt.geom.QuadCurve2D.Double (implements java.io.Serializable)
 - java.awt.geom.QuadCurve2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.RectangularShape (implements java.lang.Cloneable, java.awt.Shape) 
         
- java.awt.geom.Arc2D 
           
- java.awt.geom.Arc2D.Double (implements java.io.Serializable)
 - java.awt.geom.Arc2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.Ellipse2D 
           
- java.awt.geom.Ellipse2D.Double (implements java.io.Serializable)
 - java.awt.geom.Ellipse2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.Rectangle2D 
           
- java.awt.geom.Rectangle2D.Double (implements java.io.Serializable)
 - java.awt.geom.Rectangle2D.Float (implements java.io.Serializable)
 
 - java.awt.geom.RoundRectangle2D 
           
- java.awt.geom.RoundRectangle2D.Double (implements java.io.Serializable)
 - java.awt.geom.RoundRectangle2D.Float (implements java.io.Serializable)
 
 
 - java.awt.geom.Arc2D 
           
 - java.lang.Throwable (implements java.io.Serializable) 
         
- java.lang.异常 
           
- java.awt.geom.NoninvertibleTransformException
 - java.lang.RuntimeException 
             
- java.awt.geom.IllegalPathStateException
 
 
 
 - java.lang.异常 
           
 
 
Interface Hierarchy
- java.awt.geom.PathIterator