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JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
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polymorphism

adam Lui
Ranch Hand

Joined: Sep 03, 2007
Posts: 186
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?


boolean b = true;<br />System.out.println ("I believe in Java.<br />Java will make my dream come " + b);
marc weber
Sheriff

Joined: Aug 31, 2004
Posts: 11343

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." ~Joe Strummer
sscce.org
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: polymorphism
 
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