// Fig. 10.2: HierarchyRelationshipTest2.java
// Attempt to assign a superclass reference to a subclass-type variable.

public class HierarchyRelationshipTest2 { 

   public static void main( String[] args ) 
   {
      Point3 point = new Point3( 30, 50 );
      Circle4 circle;  // subclass-type variable

      // assign superclass reference to subclass-type variable
      circle = point;  // Error: a Point3 is not a Circle4
   }

} // end class HierarchyRelationshipTest2

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