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Programmer Certification (SCJP/OCPJP)
Joined: Sep 03, 2007
Oct 21, 2007 08:14:00
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?
Joined: Aug 31, 2004
Oct 21, 2007 11:27:00
Yes, polymorphism is a very important topic. See
How my dog learned polymorphism
to see why.
"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award."
I agree. Here's the link:
Method Overloading and overriding
4 key points about Oops
OOP-4 hints please.
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