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polymorphism

 
adam Lui
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polymorphism allows a variable of the superclass to refer to an object of the subclass.

wats the benefit?
how do we practically use it?
Does this topic occupy big part in the exam?
 
marc weber
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Yes, polymorphism is a very important topic. See How my dog learned polymorphism to see why.
 
I agree. Here's the link: http://aspose.com/file-tools
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