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Hierarchy of Geometrical Shapes

• First version of Java: few shapes, integer coordinates
  

  Point
  
  Rectangle
  
  Polygon
  

• Java 2: sophisticated shapes, floating-point coordinates
  

  Point2D
  
  Rectangle2D
  
  RoundRectangle2D
  
  Line2D
  
  Ellipse2D
  
  Arc2D
  
  QuadCurve2D
  
  CubicCurve2D
  
  GeneralPath
  
  Area
  

• All but Point2D implement Shape interface type
  

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