Thank you, Jabber, HH and Eric Wu. With your kind help, I got an idea about polymorphism which is just overloading and overriding based on inheritence. Maybe include some upcasting, just like HH and Mr. Wu's perfect examples. thank you very much.

howru (How are you?)
Thank you, Jabber, HH and Eric Wu. With your kind help, I got an idea about polymorphism. But i'm not sure whether it's right. polymorphism is just overloading and overriding. Maybe include some upcasting. I feel it's based on inheritence, just like HH and Mr. Wu's perfect examples. I think I can get more feeling with your instruction. thank you very much.
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2000-12-2 -05:00

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