Web Reference: Have fun with this new Java Challenge about one of the most crucial Java concepts, Polymorphism! Learn also how to invoke specific methods with casting! Have fun with this new Java Challenge about one of the most crucial Java concepts, Polymorphism! By bonus, learn how to invoke specific methods from subclass... Jul 4, 2009 · Casting a reference doesn't change anything about the object it refers to. It only produces a reference of a different type pointing to the same object as the initial reference.
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