This print for content only-size & color not accurate 7" X 9-1/4" / casebound / malloy

// Because all subitems must be in the Car family,

// we can now directly call the PetName property.

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8849CH10.qxd  9/25/07  4:17 PM  Page 335

---

Console.WriteLine(arCars[pos].PetName);

}

}

Notice that once you constrain CarCollection such that it can contain only Car-derived

types, the implementation of PrintPetName() is straightforward, given that the compiler now

assumes  is a Car-derived type. Furthermore, if the specified type parameter is not Car-

compatible, you are issued a compiler error: