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Difference between polymorphism and inheritance

jo sim
Ranch Hand

Joined: Apr 24, 2006
Posts: 37
Hi I know about overriding, overloading, extending classes. I just dont know the difference between polymorphism and Inheritance.
marc weber
Sheriff

Joined: Aug 31, 2004
Posts: 11343

See How my dog learned polymorphism, and let us know if that clears it up.


"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
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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 40058
    
  28
This sort of question comes up frequently; you can get answers by searching. I wrote about it myself about a week ago here.

Polymorphism is one of the features or results of inheritance.
Ilja Preuss
author
Sheriff

Joined: Jul 11, 2001
Posts: 14112
Originally posted by Campbell Ritchie:

Polymorphism is one of the features or results of inheritance.


That's not true. What is true is that *in Java* polymorphism is coupled to inheritances. But there are languages that provide polymorphism without the need for inheritance; and there are other languages that have inheritance without polymorphism.


The soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - Heraclitus
 
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