// 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